Persons participating in scuba diving, skin diving, snorkeling, or underwater spearfishing must follow these regulations.
- These persons must display a diver-down flag unless they are within 150 feet of shore.
- It is unlawful to engage in underwater skin diving or swimming with the use of swimming fins outside a marked swim area or beyond 150 feet from shore unless the location of such swimming or diving is marked by a divers flag.
- It is unlawful to scuba dive outside a marked swim area unless the location of the scuba diving is marked by a divers flag.
- A diver must stay within 50 feet of the flag on federal waters.
- Except in the case of an emergency, a swimmer or diver may not surface more than 50 feet from the flag on any waters.
- No diver or swimmer may interfere with persons engaged in fishing.
- No persons may dive or swim in any established navigation lane.
- It is unlawful to display a diver-down flag when not diving.