How privacy, multigenerational living, rental flexibility, and coastal lifestyle changes are quietly reshaping luxury home design on Martha’s Vineyard and Cape Cod. Luxury coastal homes are changing. Not necessarily in size alone, but in how they function for the people living inside them. Across Martha’s Vineyard and Cape Cod, more homeowners are beginning to rethink the role of guest accommodations entirely. Traditional spare bedrooms inside the main home are increasingly b