| Name: | SIREN |
| Type: | Lighthouse Tender |
| Launched: | 17/01/1878 |
| Completed: | 1878 |
| Builder: | Palmers' Shipbuilding & Iron Co Ltd |
| Yard: | Jarrow |
| Yard Number: | 360 |
| Dimensions: | 421grt, 219nrt, 175.5 x 25.2 x 14.0ft |
| Engines: | C2cyl (28 & 56 x 36ins), 157nhp |
| Engines by: | Palmers' Shipbuilding & Iron Co Ltd, Jarrow |
| Propulsion: | 1 x Screw |
| Construction: | Iron |
| Reg Number: | 81579 |
| History: | |
| 02/09/1879 | Corporation of the Trinity House, London |
| 1921 | Luis Liano, Santander; renamed MARIA MERCEDES |
| 1925 | Navegacion Sollorense SA, Soller |
| 1929 | Naviera Mallorquina (D Ramis Mut), Palma |
| 1935 | Broken up |
| Comments: | 1935: Broken up |
Above image as SIREN courtesy The Illustrated London News, May 18th 1878
Above photo as MARIA MERCEDES is courtesy of Photoship