Models · Grady-White
Grady-White 330 Express
DemoCabin Cruiser · 33–34 ft · 600–700 hp twin · advanced skipper · typically not trailered
Express cabin Grady.
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Where the joy lives
Express cabin Grady. Overnight getaways without a yacht crew — joy until canvas, A/C, and bilge chores stack up.
- overnight
- coastal fishing
Watch-outs
Honest watch-outs — so more days feel like why.
- bottom-paint
- slip-required
- tow-vehicle-3/4-ton
- twins-fuel
- winterize-complex
Common watch-outs
- Canvas and isinglass replacement cycles
- Cabin moisture, mildew, and soft liner odors
- Generator / A/C service neglect
- Sterndrive or inboard cooling corrosion in salt
- Below-waterline hose clamp and seacock age
- Battery banks sulfated from dockside neglect
Safety notes
- CO alarms and proper generator exhaust routing save lives at the dock and at anchor.
- Know your draft and bridge clearances before night entries.
Crew (approx)
Day 8 · overnight 6
Draft (approx ft)
2.5–4
Used band (demo)
$69,791–$307,083
Costs — yearly care snapshot
Demo estimateEducational snapshot so surprise spend doesn't steal boat days — not a quote, not the reason you're here.
Educational demo estimate from cabin-cruiser · ~34 ft · outboard. Assumes 50 engine-hours/yr, wet-slip, sunbelt, 5-year hold. Boat day proxy = engine-hours ÷ 4. Not a quote, appraisal, or underwriting offer. Mid-pack cruiser costs: canvas, systems, and dockage. Less tower/fishbox than express sportfish; still wet-slip economics. Express cabin Grady.
Annual mid
$23,525
5-yr total mid
$170,387
$/good day hint
$2,726
Assumes 50 h/yr · wet-slip · sunbelt · 5-year hold. Range $17,157 – $31,486/yr.
Maintenance rhythm (clear the deck)
Engine oil and filters
~100h / ~12 mo · Diesel or gas per OEM; calendar matters on low-hour boats.
Raw-water impeller(s)
~100h / ~12 mo · Include generator if equipped.
Cooling system / heat exchanger service
~24 mo · Saltwater intervals shorter; zincs more often.
Shaft seal / stuffing box / dripless check
~6 mo · Monitor for excess drip or overheat.
Seacock and hose clamp survey
~12 mo · Below-waterline risk items.
Winterize engines, plumbing, and A/C
~12 mo · Freeze-belt mandatory; include heads and water heaters.
Boat Day survey intel
Educational overlayAdditive survey priors from the Boat Day failure corpus — not a marine survey. Prefer a credentialed surveyor before purchase.
- systems
- safety
- moisture
Extra common issues
- Cabin leaks at ports
- Generator neglect
- Thru-hull hose age
Survey focus
- Moisture mapping cabin sole
- CO detectors / blowers
- Fuel tank access
Campaign / bulletin diligence
- Educational: Salt CC focus — anodes, outboards, windshield/console leaks, and trailer brakes.
- Educational: ask for oil analysis and generator hour documentation.
Top findings for cabin-cruiser
- Soft decks / cabin sole moisturehigh · high
- AC / generator neglect and carbon monoxide riskmedium · critical
- Thru-hull / seacock seized or non-marine hosemedium · critical
- Fuel tank age and venting issuesmedium · high
- Canvas / isinglass UV failure hiding window leakshigh · medium
Corpus: /api/v1/datasets/survey-failures · Pre-purchase checklist · Find them online · surveyors
Cost & survey cues
Mid-pack cruiser costs: canvas, systems, and dockage. Less tower/fishbox than express sportfish; still wet-slip economics. Express cabin Grady.
Survey focus
- Deck/cabin-top moisture and liner condition
- Seacocks and below-waterline hoses
- Engine(s), generator, A/C raw-water
- Canvas/isinglass
- Tankage and odor evidence
- Electrical AC/DC isolation
Waterways: long-island-soundchesapeake
Clear next steps
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Specs, years, and HP ranges are approximate educational demo data — not OEM specifications. Verify with manufacturer literature, a qualified marine surveyor, and current listings before purchase or service decisions.