RedactedNarrative: Operator1 stated that he had just left Shepherd's hotel/bar. He stated that the vessel is his and is registered in his name. He was heading back towards Seminole docks where his vehicle and trailer were. He was talking on a cell phone and was traveling under the Sand Key Bridge. He stated it was dark and difficult to see. He stated that he was traveling at approximately 10 to 15 mph in a slow speed manner. Operator1 stated that he did not see the red triangle channel marker #14 just east of the sand key bridge. The port side of his vessel hit the channel marker pole. He was ejected out of the starboard side of his vessel. The vessel made a 180* turn back towards the Sand Key Bridge. It traveled with no occupants under the bridge and past Shepherd's. Two boaters observed the vessel traveling with no driver. They chased after the vessel and one of the occupants jumped into Operator1's boat to take control. Operator1 stated that a fisherman In another boat could hear him screaming and traveled over towards him in the darkness. Operator1 stated that he crawled into the fisherman's boat. The two subjects that recovered Operator1's boat returned the boat to Operator1. He got back into his boat. The police arrived at this time.