The department may require any person violating this section to remove any vessel, houseboat, or other contrivance from the ocean waters or navigable streams of the State. If any person fails to remove the same within the time limit set by the department, the department may effect the removal and charge the person with the cost thereof. The department may enforce compliance with this section by the use of any appropriate remedy, including, but not limited to, injunction or other equitable or legal process in the courts of the State. As used in this section:
"Contrivance" means any human-made object or artificial arrangement not used or intended to be used for transportation which may be floated upon or suspended within the water.
"Houseboat" means any vessel which is fitted for use as a permanent or temporary place of habitation, and is either stationary or capable of being moved by oars, sweeps, or towing.
"Vessel" means every description of watercraft used or capable of being used as a means of transportation on water, including, but not limited to, power boats, ships, tugs, sailing vessels, barges, scows, lighters, ferry boats, pleasure craft, floating equipment, floating gear, dry docks, and any and all other watercraft.
HRS § 200-6
No commerce clause violation by state anchoring and mooring regulations where State's interest in having regulations for public safety is substantial and there is little burden on interstate commerce.42 F.3d 1185.