''The Retreat on Popponesset Island,'' contemporary colonial with prestigious shake shingle-roof, 1 house from the ocean with approx 5,500 sq ft of measured living space, 4 large bedrooms ensuite, 6 1/2 baths, lower level game room plus carriage house over 2 car garage offers a perfect balance of togetherness and privacy. Furnished. Perfect work-at-home school-at-home property. Eat-in granite kitchen w pocket doors flow to entertainment sized Trek deck. Theater-ready basement will thrill guests. Direct access to water for kayaks. The Retreat effortlessly combines luxury New Seabury village style living with a supersize-it-at-will flexible floor plan for those Cape Cod occasions when you invite a house full of friends or corporate guests. The eagle-high cupola has hosted many Fourth of July firework parties viewing over Popponessett Bay. Engineered pool plan available.