Experience the best of Long Island Marinas

We are a family of boaters just like you! Family owned and operated since 1978

Current Fuel Prices

Gasoline

$4.10

Diesel

$4.65

*As fuel prices change frequently we strive to try & update our online prices as soon as possible. Please be patient if our fuel dock prices differ from our website.
Pricing as of 03/06/2024.

South Jamesport Tides & Weather

Great Peconic Bay Marina WEATHER

Our Services

We offer many professional & convenient services on site

Why Choose Us

At Great Peconic Bay Marina, we strive to be the best marina Long Island has to offer. Located in the rustic North Fork of Long Island in South Jamesport—we’re a stone’s throw from many outdoor activities, entertainment, wine country tours, local eateries, and much more.

Certified Marine Service Technicians

We have over 170 slips!

You wont regret joining us for any of our events!

Exclusive to our customers!

Full stocked store with all your needs on premise!

Boats for Sale

Ship Store

Enjoy your boating season with us!

631.722.3565
[email protected]
13 Washington Ave,
South Jamesport NY 11970

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