RedactedNarrative: On May 8, 2018 at approximately 10 A.M. Vessel 1 (LA 1577 PU) a 21' Coastal Runner, open motorboat with remote steering was powered by a Yamaha 225 HP Outboard Engine (Serial # 1031619). Vessel 1 was traveling west on the Intracoastal waterway.  Vessel 1 turned north bound on the Sabine River, traveling in the center of the river.  Vessel 1 traveled approximately 3700 ft. when the vessel struck a submerged object.  PFD's were worn at the time of incident.  No injuries were sustained.  The contributing factor is the submerged object.  Alcohol and/or drugs are not a contributing factor.  The type of incident is struck submerged object.  Vessel 1 sustained damage to the drive shaft, crack in lower unit housing, and bent edge on blade at bottom of prop.  Estimated damage to vessel exceeds $500.00