About Crystal Cove Marina
Crystal Cove Marina is your Boston Area boat dockage and storage marina. Located at 529 Shirley Street, Winthrop, MA. Close to downtown Boston and easy access to the Atlantic Ocean. Our Boston harbor marina is the home of cruisers, day trippers and charter captains alike. We take great pride in servicing boats for our customers. Whether you own a brand new cabin cruiser, or a small fishing skiff, let our experienced mechanics take care of your investment. For customer convenience, our service department is located at the marina and provides our customers with a variety of repair and maintenance services.

Installations
COORDINATES
42.37119 N, -70.97130 E
Port Information
Téléphone
Berth Sizes
< 10m, 10-20m
Profondeur à la marée basse moyenne
2 - 3m
Manœuvrabilité
Fair
Channel Marking
Fair
Overseas Visitor Berths
Yes
Amarrages pour catamarans
Yes
Type de quai
Floating
Style Side To
Yes
Style Stern To
Yes
Tidal Flow
Negligible
Active Winter
Yes
Weather Forecast
Wed
9AM - 1PM
22 April 2026
- S 14 knots decreasing to 12 knots. Gusts up to 19 knots.
- Decreasing from 7 to 4°C
- S 0.4m at 3s period
- Chance of showers
Wed
1PM - 5PM
22 April 2026
- S 10–14 knots. Gusts up to 18 knots.
- 4 to 7°C
- S 0.4m at 3s period
- UV Index: 0 - Low
- Chance of showers
Wed
5PM - 9PM
22 April 2026
- S 11 knots decreasing to 8 knots. Gusts up to 18 knots.
- 6°C
- Calm sea
- UV Index: 0 - Low
- Cloudy