Constitution Marina
Full-service marina · Boston Harbor
100 Harbor Dr, Boston, Massachusetts
Overview
Constitution Marina is a full-service marina in Boston, Massachusetts, with wet slips for vessels up to 60 feet. Positioned on Boston Harbor with access to Ocean, Harbor, Constitution Marina serves boaters working Boston to Provincetown and the broader Boston cruising area. The marina is configured for long-stay liveaboards, snowbird transients, and seasonal monthly tenants, with shore power, fresh water, and dockmaster support on site.
Boston Harbor's deep ship channel and downtown marinas anchor New England's largest urban boating market.
Location & waterway access
Waterway
Boston Harbor
Access
Ocean, Harbor
Typical water depth
20–35 ft MLW
Hurricane protection
Standard exposure
Dockage options
Includes wet slips, transient and monthly dockage, and liveaboard-approved slips.
Boat compatibility
Maximum LOA accommodated: 60 ft. Confirm beam, draft, and air clearance when reserving.
Amenities
- Fuel Dock
- Pump-Out
- Shore Power
- Wi-Fi
- Showers & Laundry
- Ship's Store
- Restaurant
Shore power & utilities
Transient, monthly & liveaboard
Transient docking
✓ Available
Overnight and weekly slips for cruising boaters.
Monthly slips
✓ Available
Monthly dockage typically $28 – $60 / ft / month (seasonal).
Liveaboard slips
✓ Available
Year-round liveaboard with marina approval.
Pricing guidance
- Monthly slip estimate
- $28 – $60 / ft / month (seasonal)
- Transient estimate
- $28 – $60 (transient nightly rates vary by season)
- Seasonality
- Peak May–October; very limited winter slips.
Pricing may vary by season, boat length, and electric metering. Contact marina for exact availability and pricing.
See the full wet slip pricing guide, monthly slip costs, and transient slip pricing.
Local boating context
Nearby boating destinations
- • Boston Harbor Islands
- • Provincetown
- • Marblehead
Popular cruising routes
- • Boston to Provincetown
- • Harbor Islands loop
- • Cape Ann day sail
Nearby fuel stops
- • Boston Yacht Haven fuel
- • Constitution Marina fuel
Seasonality
Peak May–October; very limited winter slips.