• 631.722.3565
  • 13 Washington Ave, South Jamesport
  • Lon/Lat: N 40° 56.180' / W 072° 34.870'
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1989 Rampage 28 Sportsman

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Fill out our contact form to the right, or call us today 631.722.3565!

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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

8 am to 5 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!