Join us for Cocopah's Star Spangled Weekend July 2, 3 and 4th. Kick off concert Saturday, July 2 at the Cocopah Rio Colorado Golf Course & Grill in partnership with the City of Somerton. FREE ADMISSION! Live band Phosforo at Cocopah Wild River Family Entertainment Center on Sunday, July 3. Live bands, food, fun, fireworks on the front lawn of the Cocopah Casino on July 4! Demolition Derby at Cocopah Speedway, tickets only $5.