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!

Servizi
COORDINATES
43.82995 N, -69.91537 E
Port Information
Telefono
Berth Sizes
10-20m, 20m+
Profondità alla Bassa Marea Media
2 - 3m
Manovrabilità
Fair
Channel Marking
Excellent
Canale VHF
9
Porto di Entrata
No
Overseas Visitor Berths
Yes
Ormeggi per Catamarani
Yes
Tipo di Molo
Floating
Style Side To
Yes
Tidal Flow
Negligible
Active Winter
Yes
Weather Forecast
Sat
5AM - 9AM
13 June 2026
- NW 3 knots increasing to 8 knots.
- Increasing from 15 to 20°C
- Calm sea
- UV Index: 0 - Low
- Partly cloudy
Sat
9AM - 1PM
13 June 2026
- W 8 knots.
- Increasing from 21 to 25°C
- Calm sea
- UV Index: 8 - Very High
- Sunny
Sat
1PM - 5PM
13 June 2026
- SW 8 knots increasing to 10 knots.
- 24 to 28°C
- Calm sea
- UV Index: 8 - Very High
- Sunny