About a mile off shore with Diamond Head crater in the background rest the wrecks of the YO257 and the San Pedro. This old World War II Navy ship is one of the island’s most popular dive sites. She is resting upright at about 95ft. Holes have been cut through-out the ship making easy access to some of the interior cabins. The San Pedro, an old Korean fishing vessel, lies about 50 yards from the YO-257.This old Korean fishing vessel lies about 50 yards from the YO257. In the forward hold it’s not unusual to find White Tip Sharks and Hawaiian Sea Turtles on the bow. Keep an eye out for the mini subs that frequently tour the wreck. It makes for a very cool dive.