| Common Name | Scientific Name | Threat Status and population estimates from Taylor, 2006 (unless otherwise specified) |
| Fur seal | Arctocephalus forsteri | (NT)5000 individuals(March counts) |
| Subantarctic fur seal | Arctocephalus tropicalis | Vagrant individuals |
| Southern Elephant seal | Mirouga leonina | (NC) 1978, 113 pups. |
| Leopard Seal | Hydrurga leptonyx | Vagrant individuals |
NT Nationally threatened, NC Nationally critical