River means a flowing body of water or a portion or tributary of a flowing body of water, including streams, creeks, or impoundments and small lakes thereon.
Seaplane means a fixed wing aircraft which is designed for taking off and landing on water and includes amphibians operated as seaplanes;
Youth center means any public or private facility that is primarily used to host recreational or social activities for minors, including, but not limited to, private youth membership organizations or clubs, social service teenage club facilities, video arcades, or similar amusement park facilities.
Sailboat means the same as that term is defined in Section 73-18-2.
Houseboat means watercraft primarily used as habitation and not used primarily as a means of transportation.