Attractions / Beaches / Outdoors / State ParksDelaware Seashore State Park June 25, 2018June 25, 2018 - by Staff Contributor Dough4872 Water, water everywhere describes Delaware Seashore State Park. Bounded on the east by the mighty Atlantic Ocean, and on the west by Rehoboth Bay and Indian River Bay, the 2825-acre park is a beach-goer’s delight.