Delaware Seashore State Park, Delaware

Water, water everywhere, but not a drop to drink—Delaware Seashore State Park is surrounded! You’ve got the Atlantic Ocean to the east, and Rehoboth Bay and Indian River Bay to your west, creating a barrier island that is a beach-goer’s delight. This is the most popular state park in Delaware, with six miles of coastline, two ocean swimming areas, a huge, marshy island for bird and wildlife viewing, and two fabulously shallow bays for fishing, windsurfing, and sailboarding. And of course we’re kidding about the drinking water—modern bathhouses, showers, and concession areas will keep you hydrated, even on the hottest days. Add a drop of peppermint oil to that water for an extra cooling mist!