Lernaean Hydra | Hydra | Gym Class Heroes | class action | class | Class A | working class | DB Class 218 | Class War | British Rail Class 37 | Social class | British Rail Class 47 | Victorian Railways X class | Hydra 70 | hydra | GWR 3031 Class | Class D | British Rail Class 66 | World Class Championship Wrestling | Saved by the Bell: The New Class | Nimitz-class aircraft carrier | Middle Class Rut | Middle class | middle class | Mercedes-Benz G-Class | Master Class | master class | LNER Class A4 4468 Mallard | First class travel | Class Act |
Several ships have been named after the island, including modern Hydra class frigate F 453 Spetsai, the World War 2 era destroyer Greek destroyer Spetsai (D 98) and the historic Greek battleship Spetsai .