Home / Jamesport, Mattituck & New Suffolk / Great Peconic Bay Marina
South Jamesport · Hawk's Creek (where Great Peconic Bay meets Flanders Bay)Great Peconic Bay Marina
A family-owned full-service marina operating since 1978 in South Jamesport, with an entrance channel that opens directly onto Great Peconic Bay. The marina advertises more than 170 slips, a gas and diesel fuel dock, and certified repair technicians. Slip holders and guests can use a private sandy beach, and transient stays are booked through Dockwa.
Nearby: Walking distance to South Jamesport Beach and casual waterfront dining; Jamesport's Main Road farm stands and vineyards are a few minutes away.
At a glance
| Type | Marina |
|---|---|
| Location | South Jamesport, Riverhead |
| Waterway | Hawk's Creek (where Great Peconic Bay meets Flanders Bay) |
| Address | 13 Washington Avenue, South Jamesport, NY 11970 · Directions |
| Phone | (631) 722-3565 |
| Website | greatpeconicbaymarina.com |
| Slips | 175 |
| Transient boats | Yes |
| Fuel | Gas & diesel |
| Pump-out | Yes |
| Services | engine service, propeller service, service & maintenance, travel lift, land storage, long-term storage, yacht brokerage, boat sales |
| Amenities | floating docks, private sandy beach, ship store, restrooms, showers, Wi-Fi, ice, propane, security, pet friendly |
Details compiled from the marina's own site and public listings. Rates, depths and availability change: confirm directly before arrival. Own or manage Great Peconic Bay Marina? Update this page.
FAQ
Does Great Peconic Bay Marina take transient boats?
Yes. Great Peconic Bay Marina accepts transient (overnight) boaters. Call ahead to reserve, especially on summer weekends.
Can I get fuel at Great Peconic Bay Marina?
Yes, Great Peconic Bay Marina sells gasoline and diesel.
Is there a pump-out at Great Peconic Bay Marina?
Yes, a pump-out is available at Great Peconic Bay Marina.
How do I contact Great Peconic Bay Marina?
Call (631) 722-3565 or visit their website.
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