Locations. A hot tub shall not be placed any closer than 10 feet from any side yard and shall not be any closer than four feet from Barnegat Bay, lagoons, coves, and other bodies of water. No minimum distance from a primary structure is required. Hot tubs on elevated decks must be approved by the construction official if a permit is required and may not be closer than two feet from any exterior railing on such deck. Hot tubs in the front of a structure must meet front yard setbacks.