21 Basin St|Union Springs, NY 13160|(315) 889-5532
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Cypress Cay Pontoons



Frontenac Harbor is Central New York and the Finger Lakes trusted source for great prices and outstanding value.  As a family owned company we continue the tradition of excellent service provided by Castelli's marina for over 50 years.

We are located on the Northeast end of Cayuga Lake with complete on the water facilities located in Union Springs, NY.  Our facilities include New and Used Boat Sales in our 12,000 sq. ft. heated showroom, Brokerage Services, 150 Wet Slips, Winter Storage, Hauling and Launching with our 25 ton travel lift, Ship Store, 89 Octane Non Ethanol Gas and Diesel, Service and Parts Department.  These facilities and our friendly trained staff allow us to provide the appropriate service for of all your boating needs giving you peace of mind that your boat will be taken care of correctly.

We are the authorized dealer for premium Monterey sport boats and sport yachts, Cypress Cay pontoon boats, Alumacraft fishing and Utility boats, and unsinkable Edgewater fishing and crossover boats.  You will find all of our current inventory of new, used and brokerage boats available right here to browse in the comfort of your home.  Feel free to browse and call for any additional information or assistance.  Although we are not allowed by our manufacturers to post pricing online for current year models, rest assured our pricing is significantly below manufacturer suggested retail.

Our goal is always 100% customer satisfaction and you can depend on us to help make boat ownership a pleasure.  From our top notch facilities to our premier brands Frontenac Harbor is your trusted source for all your boat needs. We offer the best sales and service locally and online.

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