Chandlery · Portland, ME · 207-774-1772
Why we list them: Official Hamilton Marine locations page; Portland store at 197 Presumpscot St.
Opens on their site — not a Boat Day booking · public-web · checked 2026-09-14 · casco-bay
Boat Day™ · Clear the path
Yards, marinas, and shops on the Seacoast and Casco Bay. Tap through to their own site, make the call, and get back on the water. Owners free forever.
Opens on their site · not a Boat Day booking · not a founding partner. These open the business's own site. Not Boat Day bookings. Public web listings so owners can find local help. Seacoast 28 · Casco 15 opens their sites — Find them online ≠ founding. Shake hands separately at /founding.
Have an invoice already? Shop a quote. Want a consented intro when founding partners are live? Get quotes. Or run Costs made simple. Calm prep first? Safety.
On the Piscataqua? Browse Seacoast ME–NH (Portsmouth & Kittery) →
People are looking · Portland & Casco Bay
When boaters open yards from Boat Day, interest shows here. Nothing logged yet — we won't invent click counts. Browse Find them online (their sites · ≠ founding) in the meantime.
Find them online
Real Portland / Casco Bay marine businesses with outbound links. Find them online only — not Boat Day bookings or partner endorsements.
15 listings · sorted by category
Chandlery · Portland, ME · 207-774-1772
Why we list them: Official Hamilton Marine locations page; Portland store at 197 Presumpscot St.
Opens on their site — not a Boat Day booking · public-web · checked 2026-09-14 · casco-bay
Dealer Service · Freeport, ME · 207-865-4103
Why we list them: Official Casco Bay Yacht Sales site; Freeport Route 1 dealer serving greater Portland / Casco.
Opens on their site — not a Boat Day booking · public-web · checked 2026-09-14 · casco-bay
Dealer Service · South Portland, ME · 207-767-3254
Why we list them: Official Port Harbor Marine dealer network; Casco Bay / South Portland home base with Spring Point marina.
Opens on their site — not a Boat Day booking · public-web · checked 2026-09-14 · casco-bay
Marina · Portland, ME · 207-773-7632
Why we list them: Official DiMillo's Marina site; Old Port / Long Wharf on Portland Harbor (transient via Dockwa per their guest page).
Opens on their site — not a Boat Day booking · public-web · checked 2026-09-14 · casco-bay
Marina · Portland, ME · 207-517-4860
Why we list them: Official Fore Points site; downtown Portland Harbor marina (Ocean Gateway).
Opens on their site — not a Boat Day booking · public-web · checked 2026-09-14 · casco-bay
Marina · South Portland, ME · 207-767-4729
Why we list them: Official Sunset Marina site; family-run slips & fuel across Portland Harbor.
Opens on their site — not a Boat Day booking · public-web · checked 2026-09-14 · casco-bay
Marina Yard · South Freeport, ME · 207-865-3181
Why we list them: Official Brewer South Freeport Marine site; full-service boatyard & marina on the Harraseeket River (Casco Bay).
Opens on their site — not a Boat Day booking · public-web · checked 2026-09-14 · casco-bay
Marina Yard · Falmouth, ME · 207-781-5110
Why we list them: Official Handy Boat site; full-service marina/yard on Falmouth Foreside (Casco Bay) since 1934.
Opens on their site — not a Boat Day booking · public-web · checked 2026-09-14 · casco-bay
Marina Yard · Portland, ME · 207-842-9000
Why we list them: Official Maine Yacht Center site; full-service slips/yard on Portland’s East End; Dockwa public page.
Opens on their site — not a Boat Day booking · public-web · checked 2026-09-14 · casco-bay
Marina Yard · Portland, ME · 207-774-1067
Why we list them: Official PYS site; full-service boatyard / shipyard on Portland’s working waterfront.
Opens on their site — not a Boat Day booking · public-web · checked 2026-09-14 · casco-bay
Marina Yard · Harpswell, ME · 207-729-1639
Why we list them: Official Safe Harbor location page (formerly Great Island Boat Yard); full-service yard & marina in Orr’s Cove, Harpswell.
Opens on their site — not a Boat Day booking · public-web · checked 2026-09-14 · casco-bay
Marina Yard · South Portland, ME · 207-799-8191
Why we list them: Official South Port Marine site; slips, fuel, storage & service on Casco Bay; Dockwa public page.
Opens on their site — not a Boat Day booking · public-web · checked 2026-09-14 · casco-bay
Marina Yard · South Portland, ME · 207-767-3213
Why we list them: Official Spring Point / Port Harbor Marine marina site; large full-service yard at harbor entrance.
Opens on their site — not a Boat Day booking · public-web · checked 2026-09-14 · casco-bay
Marina Yard · Yarmouth, ME · 207-846-4326
Why we list them: Official Yankee Marina & Boatyard site; family-owned full-service yard on the Royal River (Casco Bay access).
Opens on their site — not a Boat Day booking · public-web · checked 2026-09-14 · casco-bay
Marina Yard · Yarmouth, ME · 207-846-9050
Why we list them: Official Yarmouth Boat Yard site; slips, service & storage on the Royal River with Casco Bay access.
Opens on their site — not a Boat Day booking · public-web · checked 2026-09-14 · casco-bay
On Boat Day
Real businesses that joined and shook hands, separate from the “Find them online” links above. If it's empty, it's empty. We don't invent partners. Demo seed stays behind ?demo=1 for offline tours only.
0 on-platform · category pages
Founding roster · empty on purpose
Quiet dock. No invented partners.
Nobody's tied up here yet, and we won't pretend otherwise. Owners: use Find them online above (Seacoast 28 · Casco 15) to open a yard's own site — that is not founding. Marinas & yards: shake hands at /founding. Owners free forever.
Network
Find them online · their sites · ≠ founding. Shop a quote, stay calm on Safety, then Go Today. Owners free forever.
Separate from Find them online · $0 lead fees 60 days
Open My boats for a HIN