SS Batman was a iron barge of 388 tons. Built in 1883 and scuttled May 20th 1935.
Geoff Naylor was a member of a group of divers to explore the Ships graveyard area in November 1972, and on their first dive they discovered the steam barge Batman.
Interesting to note the deterioration occuring over the years looking at the photos.

Historical Info: Batman Identification: Ship Name: Batman Date Scuttled: 21 May 1935 Official Number: 79548 Port of Registration: Melbourne Owner(s): Melbourne Harbor Trust Commissioners Primary Use: Hopper barge Technical Description: Length: 156.6 ft Beam: 26.1 ft Depth: 12.2 ft Tons net: 169 tons Tons gross: 388 tons Hull: Iron Rig: Steam hopper barge Masts: NA Engine: 75nHP Builder: W. Simons & Co. Where Built: Renfrew, Scotland When Built: 1883
History: The S.H.B. Batman and sister ship, S.H.B. Fawkner were ordered through the firm of, W. Simons & Co., shipbuilders of Scotland at cost of 22,550 pounds for the two. The Batman worked mainly on Port Phillip carrying mud to the spoil grounds for most of its career. However, in the 1880's at the time of the Russian invasion scare; it was fitted with a magazine, shell room and protective plating in the bow, becoming an auxiliary vessel in the Victorian Navy. It received local modifications to carry a 6-inch gun along with two Gatling guns. Over a number of years it took part in the annual Easter maneuvers; however, due to government cutbacks, it took no further part after 1896/7. In November 1896, the Batman commenced its long career of being rammed, returning the favour in kind; by ramming and sinking a number of other vessels on Port Phillip. At one time whilst near the Yarraville sugar works, the Batman, with two mud barges in tow let one of them go. The steamer Gabo that was following close behind maneuvered to avoid the barge, but in the process collided with the Batman damaging the hull plates of both vessels. In September 1888, another incident occurred in the Yarra River when the Batman and the barque Innocenti collided, no one was held to blame. In August 1897, the Batman was proceeding down the river to discharge its cargo of mud in the Spoil Grounds. The Batman, unfortunately struck the coal hulk Jane Woodburn, the hulk, with 530 tons of coal on board sank in 25 feet of water. In August 1906, the Batman was again involved in an incident when the SS Flora collided with the former causing extensive damage to its bow. The Batman was fully laden at the time when the Flora cut about 15 feet into its forward compartment. The vessels parted and the Batman commenced sinking by the bow, quick thinking by the Captain had the hopper doors open; and the load of mud was dropped to the riverbed. Two Melbourne Harbor Trust (MHT) vessels that happened to be passing took the Batman in tow to the MHT wharf in the old river. In what was an extremely bad month for the Batman, the Argus of 28 August 1915 reports of the Batman colliding with the west coast steamer Casino, causing it to be run aground on Point Gellibrand reef. However, about 7 weeks previously, the Batman had sent the small passenger steamer Awaroa, which was engaged in the Queenscliff trade to the bottom of the Yarra River. After many years of work on Port Phillip, the Batman was laid up in 1930, sold for scrap in 1935 and on 21 May 1935 the tug Sprightly towed it out into the Ships' Graveyard. At the designated sinking site the sea cocks were opened and it was sent to the bottom with 2 x 5-pound charge of blasting gelatine.

Special credit for the history: Peter (PT) Taylor, a SOE group member, researched material for the Ships Graveyard Project, helping to positively identify the wreck sites around the bays & coast lines.