About Mt. Sinai Marina
Mount Sinai (Cedar Beach) Mooring Permit If you are interested in a Mount Sinai (Cedar Beach) Mooring Permit, you can purchase one online. Contact the Parks Department at 631-451-6133 for more information. Learn More How to Acquire a Marina Dock Slip For information on obtaining a seasonal slip for your boat, please contact the Town Clerk’s Office. Transient slips are available for residents and non-residents at all our marinas. Transient Docking Seasonal Boat Berth Transient Non-Resident (includes electric) Other Jet Ski (weekly) Jet Ski (seasonal) Dinghy Slip Dinghy/Kayak Rack Check fees on their website
Installations
Électricité
Eaux usées
Toilettes
Douches
NourritureCOORDINATES
40.96366 N, -73.03131 E
Port Information
Téléphone
Berth Sizes
< 10m, 10-20m, 20m+
Profondeur à la marée basse moyenne
3m+
Manœuvrabilité
Good
Channel Marking
Excellent
Port d'entrée
No
Overseas Visitor Berths
Yes
Type de quai
Floating
Style Stern To
Yes
Tidal Flow
Negligible
Active Winter
No
Weather Forecast
Wed
5AM - 9AM
11 February 2026
W 9 knots increasing to 12 knots. Gusts up to 19 knots.
1°C
Calm sea
UV Index: 0 - Low
Partly cloudy
Wed
9AM - 1PM
11 February 2026
- W 12 knots increasing to 15 knots. Gusts up to 22 knots.
- 1°C
- Calm sea
- UV Index: 2 - Low
- Partly cloudy
Wed
1PM - 5PM
11 February 2026
- W 13–18 knots. Gusts up to 23 knots.
- 1°C
- W 0.6m at 3s period
- UV Index: 0 - Low
- Mostly fine