{"data":[{"slug":"piscataqua-seacoast","name":"Piscataqua Seacoast (ME–NH)","region":"US-NE","states":["ME","NH"],"summary":"Cold-water tidal river and Gulf of Maine coast from Kittery–York through Portsmouth–New Castle–Great Bay — short sweet season, winterize when the leaves turn, and Boat Day’s home beachhead.","density":{"vendors":12,"categories":7,"avgSlaHours":16.5,"verifiedShare":0.5},"featuredVendorIds":["vnd_safe_harbor_kittery_point","vnd_piscataqua_marina","vnd_great_bay_marine","vnd_safe_harbor_wentworth"],"peakSeason":"June–September (Memorial–Labor peak); spring commission Apr–May; haul-out/winterize Sept–Nov","marinaDensity":"med","costs":{"slipIndex":1.2,"fuelIndex":1.15,"yardLaborIndex":1.2},"castOff":{"bestMonths":[6,7,8,9],"shoulderMonths":[5,10]},"primaryUseCases":["day-cruising to Isles of Shoals","inshore fishing","harbor hops Kittery–Portsmouth–York","Great Bay exploration","family cast-off days"],"demoData":true,"provenance":"boat-day-waterway-v1","url":"/waterways/piscataqua-seacoast"},{"slug":"sw-florida","name":"Southwest Florida (Gulf Coast)","region":"US-SE / US-GULF","states":["FL"],"summary":"Year-round Gulf Coast hub from Tampa Bay through Charlotte Harbor, Fort Myers, Naples, and the Keys-adjacent ICW traffic — center consoles, bay boats, and snowbird documentation intensity.","density":{"vendors":15,"categories":14,"avgSlaHours":16.3,"verifiedShare":0.6},"featuredVendorIds":["vnd_harborlight_marine","vnd_sunbelt_marine_works","vnd_safe_passage_education","vnd_transocean_boat_haul"],"peakSeason":"October–May (peak snowbird & dry season); summer squalls and haul/AC demand secondary","marinaDensity":"high","costs":{"slipIndex":1.15,"fuelIndex":1.05,"yardLaborIndex":1.1},"castOff":{"bestMonths":[10,11,12,1,2,3,4,5],"shoulderMonths":[6,9]},"primaryUseCases":["inshore fishing","family day-cruising","sandbar social","nearshore Gulf"],"demoData":true,"provenance":"boat-day-waterway-v1","url":"/waterways/sw-florida"},{"slug":"long-island-sound","name":"Long Island Sound","region":"US-NE","states":["NY","CT","RI"],"summary":"High-value Northeast sound sailing and power corridor — seasonal urgency, survey/insurance intensity, and tight marina waitlists.","density":{"vendors":7,"categories":7,"avgSlaHours":24.6,"verifiedShare":0.57},"featuredVendorIds":["vnd_north_spar_rigging","vnd_true_north_survey","vnd_atlantic_marine_finance","vnd_keelhaul_law"],"peakSeason":"May–October (memorial–labor peak); haul-out/winterize Sept–Nov; spring commission Apr–May","marinaDensity":"high","costs":{"slipIndex":1.35,"fuelIndex":1.2,"yardLaborIndex":1.35},"castOff":{"bestMonths":[6,7,8,9],"shoulderMonths":[5,10]},"primaryUseCases":["sailing/racing","day-cruising","striped bass fishing","club overnight"],"demoData":true,"provenance":"boat-day-waterway-v1","url":"/waterways/long-island-sound"},{"slug":"lake-michigan","name":"Lake Michigan","region":"US-GREAT-LAKES","states":["MI","WI","IL","IN"],"summary":"Great Lakes freshwater powerhouse — Chicago–Milwaukee–Grand Haven–Traverse City arcs with harsh winterize/commission cycles.","density":{"vendors":5,"categories":5,"avgSlaHours":10.4,"verifiedShare":0.8},"featuredVendorIds":["vnd_great_lakes_yacht_brokers","vnd_great_lakes_sailing_academy","vnd_lake_country_mobile","vnd_federal_yacht_docs"],"peakSeason":"June–September (short intense season); winterize Oct–Nov; commission Apr–May (ice-out dependent)","marinaDensity":"med","costs":{"slipIndex":1.1,"fuelIndex":1,"yardLaborIndex":1.05},"castOff":{"bestMonths":[6,7,8,9],"shoulderMonths":[5,10]},"primaryUseCases":["sailing","cruising","nearshore fishing","harbor-hopping"],"demoData":true,"provenance":"boat-day-waterway-v1","url":"/waterways/lake-michigan"},{"slug":"puget-sound","name":"Puget Sound","region":"US-PNW","states":["WA"],"summary":"Pacific Northwest inland sea — Seattle, Tacoma, Everett, and San Juan staging — trawler/sail culture and tidal current realities.","density":{"vendors":4,"categories":4,"avgSlaHours":23,"verifiedShare":0.75},"featuredVendorIds":["vnd_sunrise_boat_insurance","vnd_lakeside_pontoon_world","vnd_bluewire_marine_electric","vnd_pacific_northwest_yachts"],"peakSeason":"May–September (Pacific Northwest summer); shoulder Apr/Oct for locals; winter storm lay-up Nov–Mar","marinaDensity":"high","costs":{"slipIndex":1.25,"fuelIndex":1.15,"yardLaborIndex":1.2},"castOff":{"bestMonths":[5,6,7,8,9],"shoulderMonths":[4,10]},"primaryUseCases":["cruising","sailing","salmon fishing","island overnight"],"demoData":true,"provenance":"boat-day-waterway-v1","url":"/waterways/puget-sound"},{"slug":"chesapeake","name":"Chesapeake Bay","region":"US-MID-ATLANTIC","states":["MD","VA","DE"],"summary":"Mid-Atlantic cruising capital — Annapolis, Baltimore, Eastern Shore, Hampton Roads — deep yard culture and sportfishing & cruising mix.","density":{"vendors":6,"categories":6,"avgSlaHours":27.3,"verifiedShare":0.67},"featuredVendorIds":["vnd_seatow_style_assist","vnd_atlantic_marine_finance","vnd_coastal_chart_electronics","vnd_midatlantic_yacht_services"],"peakSeason":"April–October (spring commission through fall); boat-show spike Oct (Annapolis); winterize Nov–Dec","marinaDensity":"high","costs":{"slipIndex":1.15,"fuelIndex":1.05,"yardLaborIndex":1.15},"castOff":{"bestMonths":[5,6,9,10],"shoulderMonths":[4,7,8]},"primaryUseCases":["sportfishing","sailing","cruising","creek exploring"],"demoData":true,"provenance":"boat-day-waterway-v1","url":"/waterways/chesapeake"},{"slug":"tampa-bay","name":"Tampa Bay","region":"US-SE / US-GULF","states":["FL"],"summary":"Large Florida west-coast estuary — St. Pete, Tampa, Clearwater — dense marina culture, bridges, and year-round center-console fishing.","density":{"vendors":0,"categories":0,"avgSlaHours":24,"verifiedShare":0},"featuredVendorIds":[],"peakSeason":"October–May dry peak; summer storms secondary","marinaDensity":"high","costs":{"slipIndex":1.1,"fuelIndex":1.05,"yardLaborIndex":1.05},"castOff":{"bestMonths":[10,11,12,1,2,3,4,5],"shoulderMonths":[6,9]},"primaryUseCases":["inshore fishing","family cruising","sandbar","nearshore Gulf"],"demoData":true,"provenance":"boat-day-waterway-v1","url":"/waterways/tampa-bay"},{"slug":"miami-biscayne","name":"Miami & Biscayne Bay","region":"US-SE","states":["FL"],"summary":"South Florida urban bay and nearshore Atlantic — high traffic, high style, year-round fishing and day-boat culture.","density":{"vendors":0,"categories":0,"avgSlaHours":24,"verifiedShare":0},"featuredVendorIds":[],"peakSeason":"November–April peak; summer heat/storms","marinaDensity":"high","costs":{"slipIndex":1.4,"fuelIndex":1.15,"yardLaborIndex":1.25},"castOff":{"bestMonths":[11,12,1,2,3,4],"shoulderMonths":[5,10]},"primaryUseCases":["offshore fishing","day-cruising","sandbar social","yacht lifestyle"],"demoData":true,"provenance":"boat-day-waterway-v1","url":"/waterways/miami-biscayne"},{"slug":"florida-keys","name":"Florida Keys","region":"US-SE","states":["FL"],"summary":"Island chain from Key Largo to Key West — skinny water, bridges, world-class flats and reef fishing, hurricane season discipline.","density":{"vendors":0,"categories":0,"avgSlaHours":24,"verifiedShare":0},"featuredVendorIds":[],"peakSeason":"November–May; summer heat & storms; peak holidays jammed","marinaDensity":"med","costs":{"slipIndex":1.2,"fuelIndex":1.2,"yardLaborIndex":1.15},"castOff":{"bestMonths":[11,12,1,2,3,4,5],"shoulderMonths":[6,10]},"primaryUseCases":["flats fishing","reef fishing","island hopping","snorkeling day trips"],"demoData":true,"provenance":"boat-day-waterway-v1","url":"/waterways/florida-keys"},{"slug":"panhandle-fl","name":"Florida Panhandle","region":"US-SE / US-GULF","states":["FL"],"summary":"Emerald Coast — Destin, Panama City, Pensacola — sugar sand, pass fishing, and seasonal spring-break intensity.","density":{"vendors":0,"categories":0,"avgSlaHours":24,"verifiedShare":0},"featuredVendorIds":[],"peakSeason":"March–October; spring/fall fishing peaks","marinaDensity":"high","costs":{"slipIndex":1.05,"fuelIndex":1,"yardLaborIndex":0.95},"castOff":{"bestMonths":[4,5,6,9,10],"shoulderMonths":[3,7,8]},"primaryUseCases":["nearshore fishing","family beach days","bay cruising","scalloping seasonally"],"demoData":true,"provenance":"boat-day-waterway-v1","url":"/waterways/panhandle-fl"},{"slug":"charleston","name":"Charleston Harbor & Lowcountry","region":"US-SE","states":["SC"],"summary":"Historic harbor, barrier islands, and Lowcountry creeks — strong tides, oyster banks, and growing marina demand.","density":{"vendors":0,"categories":0,"avgSlaHours":24,"verifiedShare":0},"featuredVendorIds":[],"peakSeason":"April–October; spring/fall sweet spots","marinaDensity":"med","costs":{"slipIndex":1.1,"fuelIndex":1,"yardLaborIndex":1},"castOff":{"bestMonths":[4,5,6,9,10],"shoulderMonths":[3,7,8]},"primaryUseCases":["inshore fishing","coastal cruising","harbor touring","island beach days"],"demoData":true,"provenance":"boat-day-waterway-v1","url":"/waterways/charleston"},{"slug":"outer-banks","name":"Outer Banks","region":"US-MID-ATLANTIC","states":["NC"],"summary":"Barrier-island Atlantic and sound waters — Oregon Inlet drama, Pamlico Sound fetch, and seasonal tourism surges.","density":{"vendors":0,"categories":0,"avgSlaHours":24,"verifiedShare":0},"featuredVendorIds":[],"peakSeason":"May–October; fall fishing legendary","marinaDensity":"med","costs":{"slipIndex":0.95,"fuelIndex":1.05,"yardLaborIndex":0.95},"castOff":{"bestMonths":[5,6,9,10],"shoulderMonths":[4,7,8]},"primaryUseCases":["offshore/inlet fishing","sound cruising","family beach","birding runs"],"demoData":true,"provenance":"boat-day-waterway-v1","url":"/waterways/outer-banks"},{"slug":"potomac","name":"Potomac River","region":"US-MID-ATLANTIC","states":["MD","VA","DC"],"summary":"Capital river cruising from DC to Chesapeake — bridges, security zones, and mixed power/sail traffic.","density":{"vendors":0,"categories":0,"avgSlaHours":24,"verifiedShare":0},"featuredVendorIds":[],"peakSeason":"April–October","marinaDensity":"med","costs":{"slipIndex":1.05,"fuelIndex":1.05,"yardLaborIndex":1.1},"castOff":{"bestMonths":[5,6,9,10],"shoulderMonths":[4,7,8]},"primaryUseCases":["river cruising","fishing","DC sightseeing","creek gunkholing"],"demoData":true,"provenance":"boat-day-waterway-v1","url":"/waterways/potomac"},{"slug":"nyc-harbor","name":"NYC Harbor & Hudson","region":"US-NE","states":["NY","NJ"],"summary":"New York Harbor, Hudson, and East River — commercial traffic, currents, and skyline day-cruising for skilled skippers.","density":{"vendors":0,"categories":0,"avgSlaHours":24,"verifiedShare":0},"featuredVendorIds":[],"peakSeason":"May–October","marinaDensity":"med","costs":{"slipIndex":1.4,"fuelIndex":1.25,"yardLaborIndex":1.4},"castOff":{"bestMonths":[6,7,8,9],"shoulderMonths":[5,10]},"primaryUseCases":["harbor touring","Hudson day-cruising","Staten Island runs","event watching from water"],"demoData":true,"provenance":"boat-day-waterway-v1","url":"/waterways/nyc-harbor"},{"slug":"cape-cod","name":"Cape Cod & Islands","region":"US-NE","states":["MA"],"summary":"Cape Cod Bay, Nantucket Sound, and island waters — currents, fog, and summer marina pressure.","density":{"vendors":0,"categories":0,"avgSlaHours":24,"verifiedShare":0},"featuredVendorIds":[],"peakSeason":"June–September","marinaDensity":"high","costs":{"slipIndex":1.35,"fuelIndex":1.2,"yardLaborIndex":1.3},"castOff":{"bestMonths":[6,7,8,9],"shoulderMonths":[5,10]},"primaryUseCases":["day-sailing","island hopping","striped bass","family beach"],"demoData":true,"provenance":"boat-day-waterway-v1","url":"/waterways/cape-cod"},{"slug":"boston-harbor","name":"Boston Harbor","region":"US-NE","states":["MA"],"summary":"Urban harbor islands national park waters — short season, ferry wakes, and strong day-boat + sail culture.","density":{"vendors":0,"categories":0,"avgSlaHours":24,"verifiedShare":0},"featuredVendorIds":[],"peakSeason":"June–September","marinaDensity":"med","costs":{"slipIndex":1.3,"fuelIndex":1.2,"yardLaborIndex":1.3},"castOff":{"bestMonths":[6,7,8,9],"shoulderMonths":[5,10]},"primaryUseCases":["harbor islands","day-sailing","city skyline cruises","fishing"],"demoData":true,"provenance":"boat-day-waterway-v1","url":"/waterways/boston-harbor"},{"slug":"great-south-bay","name":"Great South Bay","region":"US-NE","states":["NY"],"summary":"South Shore Long Island protected bay — shallow, crowded summer weekends, strong local fishing and family boat culture.","density":{"vendors":0,"categories":0,"avgSlaHours":24,"verifiedShare":0},"featuredVendorIds":[],"peakSeason":"May–October","marinaDensity":"high","costs":{"slipIndex":1.2,"fuelIndex":1.15,"yardLaborIndex":1.2},"castOff":{"bestMonths":[6,7,8,9],"shoulderMonths":[5,10]},"primaryUseCases":["family day-boating","fluke/flounder","sandbar","PWC"],"demoData":true,"provenance":"boat-day-waterway-v1","url":"/waterways/great-south-bay"},{"slug":"lake-michigan-chicago","name":"Lake Michigan — Chicago","region":"US-GREAT-LAKES","states":["IL","IN"],"summary":"Chicago lakefront harbors — intense seasonal slip culture, architectural cruises, and serious lake-state respect.","density":{"vendors":0,"categories":0,"avgSlaHours":24,"verifiedShare":0},"featuredVendorIds":[],"peakSeason":"June–September","marinaDensity":"high","costs":{"slipIndex":1.25,"fuelIndex":1.05,"yardLaborIndex":1.15},"castOff":{"bestMonths":[6,7,8,9],"shoulderMonths":[5,10]},"primaryUseCases":["harbor cruising","sailing","architecture tours","nearshore fishing"],"demoData":true,"provenance":"boat-day-waterway-v1","url":"/waterways/lake-michigan-chicago"},{"slug":"lake-michigan-west","name":"Lake Michigan — West Shore (WI)","region":"US-GREAT-LAKES","states":["WI","IL"],"summary":"Milwaukee to Door County arc — harbor-hopping, cherry-coast summers, and classic Great Lakes sailing.","density":{"vendors":0,"categories":0,"avgSlaHours":24,"verifiedShare":0},"featuredVendorIds":[],"peakSeason":"June–September","marinaDensity":"med","costs":{"slipIndex":1.05,"fuelIndex":0.95,"yardLaborIndex":1},"castOff":{"bestMonths":[6,7,8,9],"shoulderMonths":[5,10]},"primaryUseCases":["cruising","sailing","fishing","Door County hops"],"demoData":true,"provenance":"boat-day-waterway-v1","url":"/waterways/lake-michigan-west"},{"slug":"green-bay","name":"Green Bay & Door County Waters","region":"US-GREAT-LAKES","states":["WI"],"summary":"Green Bay protected waters and Door County passages — fishing, family cruising, and seasonal tourism.","density":{"vendors":0,"categories":0,"avgSlaHours":24,"verifiedShare":0},"featuredVendorIds":[],"peakSeason":"June–September","marinaDensity":"med","costs":{"slipIndex":0.95,"fuelIndex":0.95,"yardLaborIndex":0.9},"castOff":{"bestMonths":[6,7,8,9],"shoulderMonths":[5,10]},"primaryUseCases":["walleye/fishing","family cruising","island exploring","sailing"],"demoData":true,"provenance":"boat-day-waterway-v1","url":"/waterways/green-bay"},{"slug":"lake-erie","name":"Lake Erie","region":"US-GREAT-LAKES","states":["OH","PA","NY","MI"],"summary":"Shallowest Great Lake — legendary walleye, fast-building seas, and dense Ohio/PA harbor culture.","density":{"vendors":0,"categories":0,"avgSlaHours":24,"verifiedShare":0},"featuredVendorIds":[],"peakSeason":"May–September","marinaDensity":"med","costs":{"slipIndex":0.9,"fuelIndex":0.95,"yardLaborIndex":0.9},"castOff":{"bestMonths":[6,7,8,9],"shoulderMonths":[5,10]},"primaryUseCases":["walleye fishing","family day-boating","island hopping Bass Islands","cruising"],"demoData":true,"provenance":"boat-day-waterway-v1","url":"/waterways/lake-erie"},{"slug":"lake-ontario","name":"Lake Ontario","region":"US-GREAT-LAKES","states":["NY"],"summary":"Eastern Great Lake — salmon fishery, Rochester to Thousand Islands staging, and cooler water longer.","density":{"vendors":0,"categories":0,"avgSlaHours":24,"verifiedShare":0},"featuredVendorIds":[],"peakSeason":"June–September","marinaDensity":"med","costs":{"slipIndex":0.95,"fuelIndex":1,"yardLaborIndex":1},"castOff":{"bestMonths":[6,7,8,9],"shoulderMonths":[5,10]},"primaryUseCases":["salmon fishing","cruising","sailing","cross-lake planning"],"demoData":true,"provenance":"boat-day-waterway-v1","url":"/waterways/lake-ontario"},{"slug":"thousand-islands","name":"Thousand Islands","region":"US-GREAT-LAKES","states":["NY"],"summary":"St. Lawrence / Thousand Islands — castle views, current, and peak summer Canadian-border adjacent cruising.","density":{"vendors":0,"categories":0,"avgSlaHours":24,"verifiedShare":0},"featuredVendorIds":[],"peakSeason":"June–September","marinaDensity":"med","costs":{"slipIndex":1.05,"fuelIndex":1.05,"yardLaborIndex":1.05},"castOff":{"bestMonths":[6,7,8],"shoulderMonths":[5,9]},"primaryUseCases":["island cruising","sightseeing","fishing","photo hops"],"demoData":true,"provenance":"boat-day-waterway-v1","url":"/waterways/thousand-islands"},{"slug":"lake-of-the-ozarks","name":"Lake of the Ozarks","region":"US-MIDWEST-INLAND","states":["MO"],"summary":"Missouri's party-and-family reservoir — mile-marked coves, weekend congestion, and strong pontoon/runabout market.","density":{"vendors":0,"categories":0,"avgSlaHours":24,"verifiedShare":0},"featuredVendorIds":[],"peakSeason":"May–September","marinaDensity":"high","costs":{"slipIndex":1,"fuelIndex":0.95,"yardLaborIndex":0.9},"castOff":{"bestMonths":[5,6,9],"shoulderMonths":[4,7,8]},"primaryUseCases":["family pontooning","watersports","cove social","fishing"],"demoData":true,"provenance":"boat-day-waterway-v1","url":"/waterways/lake-of-the-ozarks"},{"slug":"table-rock","name":"Table Rock Lake","region":"US-MIDWEST-INLAND","states":["MO","AR"],"summary":"Ozarks clear-water reservoir — Branson adjacency, fishing tournaments, and family watersports.","density":{"vendors":0,"categories":0,"avgSlaHours":24,"verifiedShare":0},"featuredVendorIds":[],"peakSeason":"April–October","marinaDensity":"med","costs":{"slipIndex":0.9,"fuelIndex":0.9,"yardLaborIndex":0.85},"castOff":{"bestMonths":[5,6,9,10],"shoulderMonths":[4,7,8]},"primaryUseCases":["bass fishing","family watersports","pontooning","cove exploring"],"demoData":true,"provenance":"boat-day-waterway-v1","url":"/waterways/table-rock"},{"slug":"lake-powell","name":"Lake Powell","region":"US-SW-DESERT","states":["AZ","UT"],"summary":"Desert canyon reservoir — houseboat culture, extreme heat, changing water levels, and remoteness discipline.","density":{"vendors":0,"categories":0,"avgSlaHours":24,"verifiedShare":0},"featuredVendorIds":[],"peakSeason":"April–June & September–October sweet; brutal midsummer heat","marinaDensity":"med","costs":{"slipIndex":1.1,"fuelIndex":1.15,"yardLaborIndex":1.1},"castOff":{"bestMonths":[4,5,6,9,10],"shoulderMonths":[3,7,8]},"primaryUseCases":["houseboating","canyon exploring","cliff jumping (careful)","fishing"],"demoData":true,"provenance":"boat-day-waterway-v1","url":"/waterways/lake-powell"},{"slug":"lake-tahoe","name":"Lake Tahoe","region":"US-WEST-MOUNTAIN","states":["CA","NV"],"summary":"High-altitude alpine lake — crystal water, cold immersion risk, afternoon winds, and strict environmental rules.","density":{"vendors":0,"categories":0,"avgSlaHours":24,"verifiedShare":0},"featuredVendorIds":[],"peakSeason":"June–September","marinaDensity":"med","costs":{"slipIndex":1.3,"fuelIndex":1.2,"yardLaborIndex":1.25},"castOff":{"bestMonths":[6,7,8,9],"shoulderMonths":[5,10]},"primaryUseCases":["day-cruising","paddle-adjacent","scenic touring","watersports mornings"],"demoData":true,"provenance":"boat-day-waterway-v1","url":"/waterways/lake-tahoe"},{"slug":"san-juan-islands","name":"San Juan Islands","region":"US-PNW","states":["WA"],"summary":"Island archipelago north of Puget Sound — current, fog, orcas, and peak summer moorage competition.","density":{"vendors":0,"categories":0,"avgSlaHours":24,"verifiedShare":0},"featuredVendorIds":[],"peakSeason":"May–September","marinaDensity":"low","costs":{"slipIndex":1.2,"fuelIndex":1.15,"yardLaborIndex":1.15},"castOff":{"bestMonths":[6,7,8,9],"shoulderMonths":[5,10]},"primaryUseCases":["island cruising","whale watching (legal distances)","anchoring","sail voyaging"],"demoData":true,"provenance":"boat-day-waterway-v1","url":"/waterways/san-juan-islands"},{"slug":"columbia-river","name":"Columbia River","region":"US-PNW","states":["OR","WA"],"summary":"Mighty river from Portland corridor to gorge — current, locks, wind funneling, and mixed commercial traffic.","density":{"vendors":0,"categories":0,"avgSlaHours":24,"verifiedShare":0},"featuredVendorIds":[],"peakSeason":"May–September","marinaDensity":"med","costs":{"slipIndex":1,"fuelIndex":1.05,"yardLaborIndex":1.05},"castOff":{"bestMonths":[6,7,8,9],"shoulderMonths":[5,10]},"primaryUseCases":["river cruising","fishing","gorge day trips","PWC upper stretches"],"demoData":true,"provenance":"boat-day-waterway-v1","url":"/waterways/columbia-river"},{"slug":"sf-bay","name":"San Francisco Bay","region":"US-WEST-COAST","states":["CA"],"summary":"Big tides, big wind, big fog — legendary sailing and a demanding powerboat environment around the Gate.","density":{"vendors":0,"categories":0,"avgSlaHours":24,"verifiedShare":0},"featuredVendorIds":[],"peakSeason":"May–October for wind; shoulder for milder","marinaDensity":"high","costs":{"slipIndex":1.35,"fuelIndex":1.25,"yardLaborIndex":1.3},"castOff":{"bestMonths":[5,6,9,10],"shoulderMonths":[4,7,8]},"primaryUseCases":["sailing","bay day-cruising","fishing","Gate spectating from safe water"],"demoData":true,"provenance":"boat-day-waterway-v1","url":"/waterways/sf-bay"},{"slug":"southern-california","name":"Southern California Coast","region":"US-WEST-COAST","states":["CA"],"summary":"LA–Orange County–Channel Islands staging — kelp, afternoon seabreeze, and expensive slip culture.","density":{"vendors":0,"categories":0,"avgSlaHours":24,"verifiedShare":0},"featuredVendorIds":[],"peakSeason":"April–October; gray whale winters separate","marinaDensity":"high","costs":{"slipIndex":1.4,"fuelIndex":1.3,"yardLaborIndex":1.35},"castOff":{"bestMonths":[6,7,8,9,10],"shoulderMonths":[4,5]},"primaryUseCases":["coastal cruising","island hops","kelp bass fishing","harbor social"],"demoData":true,"provenance":"boat-day-waterway-v1","url":"/waterways/southern-california"},{"slug":"san-diego","name":"San Diego Bay & Nearshore","region":"US-WEST-COAST","states":["CA"],"summary":"Southernmost major CA harbor — bay sailing, sportfishing, and mild year-round climate with military traffic.","density":{"vendors":0,"categories":0,"avgSlaHours":24,"verifiedShare":0},"featuredVendorIds":[],"peakSeason":"Year-round with spring–fall peak","marinaDensity":"high","costs":{"slipIndex":1.3,"fuelIndex":1.2,"yardLaborIndex":1.25},"castOff":{"bestMonths":[4,5,6,9,10],"shoulderMonths":[3,7,8,11]},"primaryUseCases":["bay sailing","sportfishing","coastal day trips","harbor cruising"],"demoData":true,"provenance":"boat-day-waterway-v1","url":"/waterways/san-diego"},{"slug":"pacific-northwest-coast","name":"Pacific Northwest Coast","region":"US-PNW","states":["OR","WA"],"summary":"Open Pacific OR/WA coast — bars, swell, fog, and only for prepared skippers; distinct from inland Puget.","density":{"vendors":0,"categories":0,"avgSlaHours":24,"verifiedShare":0},"featuredVendorIds":[],"peakSeason":"July–September calmest windows","marinaDensity":"low","costs":{"slipIndex":0.95,"fuelIndex":1.1,"yardLaborIndex":1.1},"castOff":{"bestMonths":[7,8,9],"shoulderMonths":[6,10]},"primaryUseCases":["bar fishing","coastal passages","whale watching windows","crabbing"],"demoData":true,"provenance":"boat-day-waterway-v1","url":"/waterways/pacific-northwest-coast"},{"slug":"houston-galveston","name":"Houston–Galveston","region":"US-GULF","states":["TX"],"summary":"Texas Gulf and bay complex — industrial channels, bay fishing, and hurricane-season discipline.","density":{"vendors":0,"categories":0,"avgSlaHours":24,"verifiedShare":0},"featuredVendorIds":[],"peakSeason":"March–June & September–November peaks; summer heat","marinaDensity":"med","costs":{"slipIndex":0.95,"fuelIndex":0.9,"yardLaborIndex":0.95},"castOff":{"bestMonths":[3,4,5,10,11],"shoulderMonths":[2,6,9]},"primaryUseCases":["bay fishing","nearshore Gulf","family bay days","birding"],"demoData":true,"provenance":"boat-day-waterway-v1","url":"/waterways/houston-galveston"},{"slug":"new-orleans","name":"New Orleans & Louisiana Coast","region":"US-GULF","states":["LA"],"summary":"Mississippi River, lakes, and coastal marshes — tides, industrial traffic, and legendary fishing with storm vigilance.","density":{"vendors":0,"categories":0,"avgSlaHours":24,"verifiedShare":0},"featuredVendorIds":[],"peakSeason":"March–June & October–November","marinaDensity":"med","costs":{"slipIndex":0.9,"fuelIndex":0.9,"yardLaborIndex":0.9},"castOff":{"bestMonths":[3,4,5,10,11],"shoulderMonths":[2,6,9]},"primaryUseCases":["marsh fishing","river cruising","coastal runs","festival water arrivals"],"demoData":true,"provenance":"boat-day-waterway-v1","url":"/waterways/new-orleans"},{"slug":"mobile-bay","name":"Mobile Bay","region":"US-GULF","states":["AL"],"summary":"Alabama's big bay — Jubilee lore, bay fishing, and Gulf access with summer storm patterns.","density":{"vendors":0,"categories":0,"avgSlaHours":24,"verifiedShare":0},"featuredVendorIds":[],"peakSeason":"March–June & September–November","marinaDensity":"med","costs":{"slipIndex":0.85,"fuelIndex":0.9,"yardLaborIndex":0.85},"castOff":{"bestMonths":[3,4,5,10,11],"shoulderMonths":[2,6,9]},"primaryUseCases":["bay fishing","family day-boating","nearshore Gulf","birding"],"demoData":true,"provenance":"boat-day-waterway-v1","url":"/waterways/mobile-bay"}],"meta":{"count":36,"provenance":"boat-day-waterway-v1","demoData":true},"provenance":{"source":"Boat Day","api_version":"1.8.0","as_of":"2026-10-12","method":"Curated editorial datasets in the Boat Day repo plus deterministic heuristics (valuation, TCO). No live market feed.","confidence":"Educational estimates. Records flagged demoData:true are illustrative. Not legal, tax, insurance, survey, or appraisal advice — verify with a licensed pro / official source.","honesty":"No paid placements. Outbound businesses labeled 'Find them online' are public-web listings, not partners. Founding partner roster is currently empty.","cite_as":"Boat Day (bestboatday.com) — free boating knowledge & tools for owners","terms":"https://bestboatday.com/for-agents#terms","docs":"https://bestboatday.com/llms.txt"}}