About Our Company Leeward Cove is located on the Patchogue River just minutes from the Great South Bay and the finest beaches in the world. Directly across the great South Bay you will find Davis Park and Watch Hill Beaches. Leeward Cove Marina is in the ideal location for all your boating needs. The marina has 240 in water slips and 50 dry rack slips. We offer Winter, Summer and Annual Storage. LCM is a full service marina, our fully stocked marine store carries all OEM and after market products for all your needs. Our mechanical staff is Suzuki and Mercruiser certified. What ever your needs are you will find a solution with us!