Kitsugawa Maru (Wreck) is a deep upright WWII wreck inside Apra Harbor, prized for its intact bow gun, coral-coated mast, and the dramatic feel of dropping onto a largely intact freighter in sheltered harbor water. Most dives are planned as boat drops that go to the bow first, then work back along the deck toward the superstructure, with narrow routes into the living quarters and engine-room areas reserved for divers who are trained and equipped for overhead environments. The site rewards advanced wreck divers with strong structure, history, and marine growth, but silt, limited exits, and active-harbor logistics make it a dive that benefits from disciplined gas, ascent-line, and route planning.