A June 11 lightning strike sparked a fire that caused extensive damage to the offices of Tallahassee, Fla.-based BoatTrack.
Eight boats and a dock burned last weekend on Keystone Lake in Oklahoma.
Investigators are searching for what caused the Annapolis Yacht Club to be badly burned in a massive fire Saturday.
Vietnam veteran bought a 41-foot Hatteras, but during his first day on the water in Stuart, Fla., the boat caught fire.