The crash happened at approximately 10:30 a.m. just north of Thunderbolt Marina. The Coast Guard reports that two boats were involved. One boat had three people aboard, the second had six people aboard. According to the Coast Guard, the missing boaters are a 37-year-old white male and two early 20-year-old white males who were last seen wearing board shorts and no shirts. Chatham Fire, Chatham EMS, Coast Guard, and Marine Patrol are on scene.