Denis Sullivan was an Australian shipbuilder and key figure in the development of the town of Coopernook. He built ships at Coopernook, Cape Hawke, Berrys Bay and Clarence Town. He died in 1916 in Balmain, New South Wales.
Ships built
| Ship | Built | Tons | Notes |
|---|---|---|---|
| Bellengara | |||
| Bellinger | |||
| Bowra | |||
| Coopernook | |||
| Duroby | |||
| Ellerslie | 1906 | 252 tons | Ran aground and was wrecked on 22 May 1913 |
| Gwendoline | |||
| Hall Caine | 214 tons | Capsized and sank in 1937 | |
| Hastings | |||
| Maggie | |||
| Otus | 1914 | 80 tons | Ran aground and was wrecked on 17 January 1923 |
| Perseverance | 1874 | 133 tons | |
| Potts and Paul | 1885 | 12 tons | Caught fire and sank in 1941 |
| Premier | |||
| Pyrmont | |||
| Rock Lilly | |||
| Seymour | |||
| Storm King | |||
| Tully | |||
| Victor | |||
| Wandra | 1907 | 164 tons | Wrecked off Drum and Drumsticks, Jervis Bay, New South Wales on 15 November 1915 |
| Wauchope | 1887 | 196 tons | Caught fire on 1 August 1919 and sank near Portsea, Victoria |