An Iconic and historic 1.4 acre Estate set proudly into the distinguished Waterfront Bluffs of Belle Terre. Elevated unobstructed and panoramic Sunset views of Port Jefferson Harbor, Pirates Cove and Long Island Sound. Magnificent 13,800 Square foot Historic Waterfront Mansion constructed circa 1900. Arrive by fully lighted Driveway into dual Auto Courts and 3 Story Portes-Cocheres covered entrance. 5 Levels of Coastal luxury serviced by 3 Staircases and Elevator. Enter through oversized French Double Doors into a Sun-drenched Cathedral Foyer with Dual Sided Fireplace, Mezzanine Balcony and Side Hall Colonial Ballroom Staircase. Glass French Sliders span the Waterfront West Wall and provide egress to wraparound Blue Stone Deck and Courtyard. Chef's Kitchen with Dual Ranges, Dual Oven, Gas Fired Grill, Viking Professional Series Vented Hood, Oversized 6'x24' Center Island. Butler's Accessory Bar Room. Harbor-side panoramic Breakfast and Dining Rooms. Swimming Hall with 10 Person Spa and Lap Pool wrapped in Glass sliding French Doors. Mezzanine level includes Calacatta Marble Master Wing and Suite with Deck overlooking the Harbors. Dual Master Fireplaces. 2 Guest Bedrooms with Harbor-side Balconies and Fireplaces. Au Pair's Wing with separate entrance. 3rd story Lounge and Bar with Striking Center Chimney and Panoramic Harbor side Sunset views off Balcony. Accessory Guest Bedroom and Bath. 4th floor Widow's Peak and sweeping 360* domed Glass Observatory provide unrivaled views of the Harbor and Sunset. Finished Basement with Living, Media, Fitness, Sauna and Full Bathroom. 7 Bedroom, 5 Full Bathroom and 2 Half Bathroom. 22 Rooms in total. Granite Foundation, Apron and Retaining Walls. Composite Slate Roof equipped with Ice Cleats. Privately set deep off access road. Moments from Beaches, Golf Course, Country Club, Marina and all the amenities of Port Jefferson Village.