vessels of any type whatsoever operating in the marine environment including hydrofoil boats, air-cushion vehicles, submersibles, and floating craft of any type; fixed or floating offshore installations or structures engaged in gas or oil exploration, exploitation or production activities, or loading or unloading of oil; and sea ports and oil handling facilities (those facilities which present a risk of an oil pollution incident, including, inter alia, sea ports, oil terminals, pipelines and other oil handling facilities).[3]