No person shall operate, leave unattended, beach, park, or moor vessels, as defined in section 267-3, HRS, including but not limited to boats, motorboats, houseboats, rowboats, powerboats, jet skis, sailboats, fishing boats, towboats, scows, flatboats, cruisers, motor vessels, ships, barges, tugs, floating cabanas, party boats, charter boats, catamarans, ferryboats, canoes, rafts, or any similar buoyant devices permitting or capable of free flotation, on the premises without a written authorization of the board or its authorized representative except in cases of emergency.
Haw. Code R. § 13-221-14