Give us a call – 315-938-5222

Our Marina on Lake Ontario in 1000 Islands near Watertown NY and the Upstate New York region


  • Yearly and Seasonal Undercover Dockage for your power boat.
  • Uncovered Slips in our basin on the waters of Lake Ontario for sail and power boats dockage.
marina on lake ontario henderson ny near watertown

Marina Services: 

  • 20 ton travel lift able to lift boats up to 40′
  • Open end travel lift able to lift sailboats without dropping their masts
  • Experienced mechanic on duty full-time for all your mechanical needs
  • Yearly and seasonal covered dockage including power and water (floating docks now available)
  • Covered winter storage, winter land storage
  • Charter boats welcome
  • Shrink-wrapping for your boat is available
  • Boat launch ramp
  • Lounge with pool table 
  • Bathroom & shower facilities at the Marina
  • Large deck overlooking the Lake
  • Free parking & less than a 30-minute drive from Watertown, New York & Thousand Islands

Please get in touch! We would love to hear from you:

Lake Ontario Mariners’ Marina (LOMM)
12548 Eastman Tract Henderson Harbor, NY 13651
315-938-5222 or

In the 1000 Islands region on Lake Ontario near Watertown NY and the upstate New York area.