All Things Marine

At OSM Off-Shore Marine & Construction, Inc., we offer a variety of marine services that will enhance your waterfront property. We take great pride in our products and services and we stand behind each and every order we complete.

We have built our reputation on the dependable and exceptional quality of our workmanship. All our custom goods are built in our shop by our highly talented professionals.

Using only quality grade materials purchased as much as possible from the Finger Lakes region allows us to stay competitive for you to enjoy years of pleasure on any beautiful body of water.

Boat Services

Our experienced mechanics provide a variety of boat services on Mercury, Johnson, Evinrude, Volvo, Penta, and Yamaha engines and motors.

Engine Repair

You can rely on us to get your boat running great. We service I/O and Outboard engines. We provide tune-ups, oil changes, outdrives, and lower unit repairs, shift cables, bellows, steering, and much more.

Trailer Repair

Welding, wiring, bearings, lights, parts, and tire replacement. We do not offer New York State Inspections, though we will get your trailer ready to be inspected.


Indoor and outdoor storage, winterizations/summarizations, shrink-wrapping.


We sell Yamaha Outboard Engines, Jasper engines and transmissions, and auto and trailer tires.

Ship Store

Our store features everything you need to get your boat ready. From required safety equipment, life jackets/vest, skis, tubes, ropes, parts, oils, props, and batteries; AC and DC direct drive units for your lift; weed mats, dock ladders and steps, along with Finger Lakes sweatshirts, T-shirts, and other novelties. If we do not have it in stock, we can usually have it within a day or two, just ask us for assistance. We’ll help you locate what you are looking for. COMING SOON – Online Store

Customer service is highly important to us and it’s what has made us successful for over 14 years in business. Our knowledgeable and courteous staff is ready to assist you!

Contact us today at 607-243-8496 for more information about our services

Contracting Service

Let us custom-build your dream escape on land or lake. Our dedicated crew is here to make your life easier so you can enjoy your year-round or vacation home.

We offer custom-built permanent non-pile driven docks and boat lifts, boathouses, decks, porches, patios, staircases for easy access to the lake. Dura-Built Custom Conversion Kits for screen and sunrooms. Interior and exterior work from painting to siding, electrical to plumbing and retaining walls. We can provide all facets to complete your home from start to finish.

We carry and install Roll-in dock systems by ShoreMaster and Shore Line Industries, Aluminum Lifts by ShoreMaster and Shoreline Industries and LSP Inc. Direct Drive Units for easy lifting as well as Lift Motors from Hefty Hoist/Aqua Marine and complete permanent lift kits from Florida Boats, Inc.