Rhode Island Dive Flags
Rules for RI divers and boaters
According to research done by Tom Holtey of Top Kayaker:
For Divers in Rhode Island
18" x 18" diver down flag required. Flag must be illuminated at night.
For Boaters in Rhode Island
Other boaters must keep 50' from flag.
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P.S. The information above was as complete and up-to-date at the time as I could make it. It should not be construed as providing legal advice. You should conduct your own legal research or contact an attorney.