Popponesset Beach in Mashpee, Massachusetts, is a private communituy located on Cape Cod’s Nantucket Sound. We are approximately 80 miles south of Boston between the towns of Falmouth and Hyannis. We are a friendly community of year-round residents and vacation homeowners. Many of us enjoy long family histories in our unique seaside community and we love the history, culture, ocean and beaches, sports and activities we find here.