Beach in MandurahSwimming AreaThere's a designated, boat-free swimming area on the far side of the estuary, just north of Mandurah Bridge. Here dolphins have been known to swim up to kids for a frolic. Beach in MandurahTown BeachTown Beach is just across from the marina, at the southern end of Silver Sands resort. It's perhaps the best of the ocean beaches. Beach in MandurahDoddi's BeachWest of the mouth of the estuary is family-friendly Doddi's Beach, facing the ocean. Historic Building in MandurahHall's CottageThis 1830s cottage was one of the first dwellings in the state.