20 Dover Court Magnificent 3 story colonial towering over the Great Cove off the Great South Bay. In Islip Schools with Epic bay views of Fire Island and it's Lighthouse. *Property now has all COs and DEC Permits. Custom imported Italian mahogany Interior. Sweeping Grand stairway, Solid 2 1/4"x 8' arched doors, high ceilings and exquisite craftsmanship throughout. True chef's kitchen with all amenities. Formal Living and Dining rooms. Great room with fireplace. First floor has bedroom suite with full bath. Second floor has huge master suite with his and hers walk in closets, two-sided fireplace, gorgeous marble bath with walk in shower, body sprayers and jetted spa. Master suite has access to third story spaces by way of a spiral staircase. 3 large bedrooms and full bath round out the second floor. Radiant Marble flooring. Gunite pool w/waterfall. Private marina with 6' draft will accommodate most large vessels to 60+ ft. Over 5400 sq ft plus the 3rd story. Super high elevation w/ 4' dry crawl space for storage. 3+ car garage on Cul de sac.Close to Fire Island Inlet and amazing Fishing Grounds, Catch Stripped Bass and Blue Claw Crabs off your dock! This 1.3-acre property combines luxurious amenities and meticulous attention to detail. Unparalleled waterfront living. Elevation, Location, Elevation, Location, Elevation, Location. No flood insurance required. Owner Financing for Qualified buyers.