Off the pages of one of Elin Hilderbrand's classic romance Nantucket novels, this lakefront perfectly grey stained cedar shake beauty could be straight off 'Sconset Street'. Beachy comfortable yet ultra luxurious as this finely crafted custom set on 1.5 acres of private grounds, delivers the ultimate living experience with floor to ceiling picture windows that allow the backdrop of panoramic lake views to radiate throughout. Sensational level of build quality throughout by notable NS builder: detailed door casings and moldings, chestnut wide plank floors, gorgeous neutral stones and white marbles, all accented with meticulous trim carpentry. Chef's kitchen overlooks the entire first floor with nooked in breakfast booth, butcher block with soapstone countertops, Ann Sacks tile work and Waterworks sink. Fully accented with huge walk-in pantry, mudroom with command center, 2nd bath (full), laundry (2nd) and three-car garage. Let the elevator whisk you up to the ultimate primary suite equipped with Holly Hunt automatic window treatments, a crisp 5-star hotel level white Statuary marble bath, lounge and bedroom area with endless blue views of the water. Three other family beds with Ann Sacks ensuite baths share a gathering family room with adjoining deck to relax in the hot tub. Current owners took this house one step further by adding a coach house that seamlessly blends with main house as if this structure as always been here. Beautiful breezeway accenting with matching porch swings signals a welcoming transition to a spectacular coach house with commercial level three-car garage with custom auto body shelving and cabinetry, epoxy flooring, and custom silent garage doors. Separate entrance with staircase up to a full 2nd floor in law suite with workout area. This lakefront destination makes living easy and convenient as town is only a quick 10 min picturesque walk. Added bonus - newly completed reengineered bluff and all re-landscaped to perfection by Bill Eiserman. It's time for you to feel like you live in your own romance novel at 55 Prospect!