Dockage & Storage

Great Peconic Bay Marina offers our residents the best in Long Island boat dockage and other amenities. We can dock & store any size of boat or yachts. Go ahead and book your spot now!

Dockage

Our boaters dock with us because of our access to refueling, maintenance, and repairs with our certified marine service technicians. We provide in-water docking as well as high and dry-dockage. We offer excellent pricing for all of your Long Island dockage needs.

Great Peconic Bay Marina is located near wonderful restaurants, breweries, nature preserves, the Long Island Aquarium, and many vineyards to take the crew out on a land adventure. Check out more benefits below:

Potable Water

Fully Stocked Ship Store

Shore Power

30 & 50 amps

Free WiFi

Fuel Dock

Gas & Diesel

Pump Out

Available 24 hours

Transient & Dinghy Dockage

Clean Restrooms

With showers & changing rooms

Pricing Packages

To accommodate your budget

Beautiful Picnic Areas

With BBQ facilities & private beach

24/7 CCTV

Cameras & remote-controlled security gate access.

Seasonal Events

Cornhole tournaments, Boaters Bash & Movie Nights

After Hour Acess

Acess your boat at any time

Unlimited

Launches & Retrevials

Engine & Hull Flush

After every use

Travel Lifts

25 & 50 Ton Lifts on Site

Enjoy your boating season with us!

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

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Happy Thanksgiving!

We’re so grateful for your continued support this year. From all of us at GPBM, we wish you and your loved ones a happy and memorable Thanksgiving holiday!

We will be closed Thanksgiving Day, November 26th, 2026, and will be back in the office on Friday the 27th.

In remembrance of those who Served

Tentatively the Marina will be open

Memorial Day, May 25th, 2026, 

from 10 am – 2 pm

Hours are subject to change or the office may be closed due to the weather.

Happy Easter!

We will be closed Easter Sunday, March 28th, 2027, to celebrate with our families!

We will be open Sunday’s starting April 4th! We look foward to seeing you all soon! 

Happy Fourth of July!

The marina will be open, Saturday, July 4th, from

10 am to 2 pm

Happy Mother's Day!

To the moms who inspire us to be our best selves. We may not say it often, but we’re grateful for all you do!

In honor of celebrating our moms, we will be closed Sunday, May 10th, 2026

Holiday break

The Marina will be closed from December 23rd, 2026 through January 11th, 2027.

We will be monitoring calls and emails in the case of an emergency.

We wish everyone a Happy Holiday Season!