Haw. Code R. § 13-232-6
No person shall throw, place, leave, deposit, or abandon, or cause or permit to be thrown, placed, left deposited, or abandoned any litter within a small boat harbor, except in receptacles designated by the department for the disposal of such materials.
No person shall use refuse containers or other refuse disposal facilities in a small boat harbor for disposing of litter brought as such into the small boat harbor except when the litter is generated during and results from a vessel's voyage. Without limiting the generality of the foregoing, "litter" as used in this section means any and all types of debris and substances, whether liquid or solid, and materials such as garbage, refuse, rubbish, glass, cans, bottles, paper, wrappings, fish or animal carcasses, or any other nauseating or offensive matter or any machinery, appliance or automobile, or parts thereof, or any other substances which render small boat harbor lands or facilities unsightly, noxious, or otherwise unwholesome to the detriment of the public health and welfare or the enjoyment of the small boat harbor for recreational purposes.
Haw. Code R. § 13-232-6