(631) 364-2978

Harborside Marine, Inc. is Port Jefferson's only marine service facility on the water.  Our shop is located at The Boat Place, Inc. in the heart of Port Jefferson.  We offer service 7 days a week at your slip or mooring with our mobile work boat or make an appointment and bring your boat to our dock.  We have experienced, trained technicians, and exceptional customer service.
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Inboard, Outboard, Stern Drive...

Power or Sail...

Gas or Diesel...

MerCruiser, Mercury Marine, Volvo Penta, Yamaha, Yanmar, Johnson, Evinrude, BRP, Suzuki, Crusader...
 
WE DO IT ALL!!!