Action Watersports is at 3411 Lake Tahoe Blvd. at Timber Cove Marina. The speedboat Tahoe Thunder zips passengers across Lake Tahoe to Emerald Bay, Meeks Bay and Camp Richardson on 1-hour tours. The captain provides historical information about the scenic bays, their settlement and the Lake Tahoe area. A 2-hour sightseeing cruise on Windsong, a 65-foot sailing yacht, also is available.