RedactedNarrative: Vessel #1 had launched from a boat ramp in St. James City, FI, with the purposes of recreational cruising the local waterways. After approx. 1 hour of cruising, the operator noticed that the vessel was taking on water from an unknown source, and began to list. The operator of the vessel attempted to maneuver the vessel into the shallow water near the Sanibel Causeway, so that he could "beach" the vessel, however, the water overcame the vessel and it capsized in approx, 6 feet of water, A local Tow Boat U.S. captain saw the vessel capsize and responded to the scene and retrieved both subjects from the water, who were uninjured. Tow Boat U.S. was eventually contracted to salvage the vessel. Once the vessel was pumped out, it was discovered that  some of the hoses on the "thru-hull" fittings were cracked and deteriorated, and were most likely the source of the vessel taking on water. The drain plug was properly secured in the hull.