Haw. Rev. Stat. § 200-3: Ocean recreation and coastal areas programs.

The board shall assume the following functions of the department of transportation:

(1) Managing and administering the ocean-based recreation and coastal areas programs of the State;

(2) Planning, developing, operating, administering, and maintaining small boat harbors, launching ramps, and other boating facilities and associated aids to navigation throughout the State;

(3) Developing and administering an ocean recreation management plan;

(4) Administering and operating a vessel registration system for the State;

(5) Regulating the commercial use of state waters and marine resources, including operations originating from private marinas;

(6) Regulating boat regattas and other ocean water events;

(7) Administering a marine casualty and investigation program;

(8) Assisting in abating air, water, and noise pollution;

(9) Conducting public education in boating safety;

(10) Administering the boating special fund;

(11) Assisting in controlling shoreline erosion;

(12) Repairing seawalls and other existing coastal protective structures under the jurisdiction of the State; and

(13) Removing nonnatural obstructions and public safety hazards from the shoreline, navigable streams, harbors, channels, and coastal areas of the State.