About Safe Harbor Great Island Boat Yard
Great Island Boat Yard & Marina is a welcoming, family-run operation located just 40 minutes north of Portland in a naturally protected, beautiful cove. Our modern boat yard facilities include a custom post and beam building housing offices, a ship’s store, and guest amenities. While staying in our marina, you gain access to our expert mechanical and electrical service techs and riggers, as well as our on-site cafe and live music events. Need to provision for coastal cruising or an ocean passage? Pre-order with Craft Kitchen & Provisions!

Instalaciones
COORDINATES
43.82995 N, -69.91537 E
Port Information
Teléfono
Correo Electrónico
Berth Sizes
10-20m, 20m+
Profundidad en Marea Baja Media
2 - 3m
Maniobrabilidad
Fair
Channel Marking
Excellent
Canal VHF
9
Puerto de Entrada
No
Overseas Visitor Berths
Yes
Atraques para Catamaranes
Yes
Tipo de Muelle
Floating
Style Side To
Yes
Tidal Flow
Negligible
Active Winter
Yes
Weather Forecast
Fri
9AM - 1PM
27 March 2026
- N 16 knots decreasing to 14 knots. Gusts up to 24 knots.
- 1 to 3°C
- S 0.6m at 5s period
- Cloudy
Fri
1PM - 5PM
27 March 2026
- NW 15 knots decreasing to 12 knots. Gusts up to 21 knots.
- 2°C
- S 0.6m at 6s period
- UV Index: 5 - Moderate
- Sunny
Fri
5PM - 9PM
27 March 2026
- NW 12 knots decreasing to 9 knots. Gusts up to 16 knots.
- Decreasing from 1 to −3°C
- S 0.5m at 6s period
- UV Index: 0 - Low
- Sunny