The state of Texas has 360 miles of coastline and many beaches like:
SEA RIM State Park
Mustang Island State Park
Padre Island National Seashore
Corpus Christi Beach
Galveston Beach
Bolivar Peninsula
Surfside Beach
Matagorda Beach
South Padre Island
Try camping on the beach in Texas.
Bring some bait and go fishing in the ocean, or rent a jetski and ride the waves.