List of diving environments by type

The diving environment is the natural or artificial surroundings in which an underwater dive is done. It is usually underwater, but professional diving is sometimes done in other liquids. Underwater diving is the human practice of voluntarily descending below the surface of the water to interact with the surroundings, for various recreational or occupational reasons. Some of the more common diving environments are listed and defined here.
Environments by depth zone.
Recreational divers will usually dive in the shallow to intermediate marine environment. Technical and commercial divers may venture into the deep water environment.