15 Hillside Lane Set back atop the highest point on a quiet lane overlooking Three Mile Harbor, with 2 marinas and a public boat ramp, this exceptional 4, 000+/- sq ft custom build on a private .75+/- acre, was completed by the owner, August 2021, is a boater's dream and designed for entertaining. Encircled by breathtaking natural scenery, preserve, and lush landscaping with stone walls, this three-floor home features double-height vaulted wood ceilings throughout the upper level that offer an expansive great room, with a well-appointed kitchen and fireplace, living room with sliding doors leading to two separate entertaining areas, primary suite, and powder room. The expansive east-facing upper deck provides striking sunset views, outdoor seating, a dining area, and lighted stairs to the pool and pool house. The west-facing covered upper terrace offers dramatic sunset views over Three Mile Harbor. The main level provides 3 additional spacious bedrooms, 2 en suite, a fourth full bath, a laundry room, and an ample-sized family room with sliding door that leads to a covered third deck, outdoor shower, a separate covered seating area, 18 x 36 gunite pool and pool house with full bath, AC and heating. The finished lower level with a separate entrance has large windows, a sixth full bath with space for an office, gym, or media room, and an attached 2-car garage. This must-see property is perfectly situated between both ocean and bay beaches and just 7 minutes to the heart of East Hampton Village. Listing ID 903221