MAINPORT GEO - IMO 9723667- 
| Name | : | MAINPORT GEO |
| Former names | : | Oya (2015-2021) |
| IMO number | : | 9723667 |
| Type | : | research/survey vessel in the offshore wind industry |
| Built | : | 2015 |
| Length | : | 50 m |
| Beam | : | 13,50 m |
| Draught | : | 4,30 m |
| Accommodation | : | 7 x 1 man cabins, 10 x 2 man cabins, 2 x 4 man cabins |
| Speed | : | 11,5 knots / 12,4 max. |
| Owner | : | Mainport, Cork - Ireland |
| Flag | : | Marshall Islands |
| Port of registry | : | Majuro |
