RedactedNarrative: Sailing vessel collided with cabin motorboat while attempting to exit Marathon Yacht Club. V1 and V2 were both docked at the Marathon Yacht Club. V1 was backing out of its slip to head out to the Gulf of Mexico. V2 was in its slip and not being operated. As V1 backed out of its slip, the operator began to turn the bow of the V1 toward V2. The bow of V1 collided with the transom of V2 as it began its turn. As V1 continued turning, the front starboard quarter of V1 scraped the rear port quarter of V2.