| Name: | SEA ISLAND I |
| Type: | Pontoon |
| Launched: | 24/09/1964 |
| Completed: | 10/1964 |
| Builder: | Clelands Shipbuilding Co Ltd |
| Yard: | Willington Quay |
| Yard Number: | 281 |
| Dimensions: | 900grt |
| Engines: | None |
| Engines by: | n/a |
| Propulsion: | None |
| Construction: | Steel |
| Reg Number: | n/a |
| History: | |
| 10/1964 | De Long-Hersent |
| No later history known | |
| Comments: | For use as a jetty |