South Bay Marine Service

Boat repair isn’t always easy to find near the water. South Bay Marine Service handles engine tune-ups, fiberglass patching, electrical diagnostics, and winterization without turning it into a circus. They’re on Ketcham Avenue, right where Amityville’s industrial edge meets the bay—203 S Ketcham Ave, Amityville, NY 11701—so trailers and small craft can roll in without threading residential streets. The place also tackles trailer bearings, bottom paint, and rigging adjustments, which keeps locals from having to trailer across the island for basic upkeep.

Directions are straightforward once you hit the south end of town; a map is linked if the turn onto Ketcham isn’t obvious. When the outboard starts sputtering or the gelcoat needs attention, the number to call is (631) 587-0000. It’s the kind of shop that doesn’t bother with flashy signage, just steady work on the watercraft that actually leave the yard running cleaner than they arrived.