Operator2 was towing vessel 1 from Horn Island to Biloxi after recovering campers from Horn Island. He was using a 40 foot Sport fisher vessel to tow vessel 1 in 3 to 4 foot sea's. operator advised tow line broke and vessel 1 sank before he could get back to it. Weather was to rough to recover vessel 1. Operator Marked location, come back the next day and vessel 1 could not be found. operator advised insurance paid $7500 for Boat and Motor. This incident was reported 
to US Coast Guard. Was reported to State after the fact.   The towing vessel was documented with Coast Guard and not State registered.  There was no person's on 
board of vessel being towed.
To US Coast Guard. Was reported to State after the fact.   The towing vessel was documented with Coast Guard and not State registered.  There was no person's on 

board of vessel being towed.
Biloxi