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!
Installations
Électricité
Eau
Douches
Eaux usées
Toilettes
Nourriture
Bar
Sortie d'eau
EssenceDiesel
Wifi
Recyclage
Constructeur de bateaux
Blanchisserie
Abri anti-cycloniqueCOORDINATES
43.82995 N, -69.91537 E
Port Information
Téléphone
Berth Sizes
10-20m, 20m+
Profondeur à la marée basse moyenne
2 - 3m
Manœuvrabilité
Fair
Channel Marking
Excellent
Canal VHF
9
Port d'entrée
No
Overseas Visitor Berths
Yes
Amarrages pour catamarans
Yes
Type de quai
Floating
Style Side To
Yes
Tidal Flow
Negligible
Active Winter
Yes
Weather Forecast
Thu
5AM - 9AM
14 May 2026
S 7 knots increasing to 11 knots. Gusts up to 20 knots.
Increasing from 8 to 11°C
S 0.7m at 5s period
UV Index: 0 - Low
Cloudy
Thu
9AM - 1PM
14 May 2026
- SE 7–13 knots. Gusts up to 21 knots.
- 11°C
- S 0.6m at 5s period
- UV Index: 4 - Moderate
- Cloudy
Thu
1PM - 5PM
14 May 2026
- E 12 knots increasing to 15 knots. Gusts up to 24 knots.
- 10 to 12°C
- S 0.6m at 5s period
- UV Index: 4 - Moderate
- Chance of showers