| Event no. | Survey | Photos | Video | Place name | Start Depth m | End Depth | County |
|---|
| 20210104/01 | 777 | 50 | | Ringhaddy Sound, Strangford Lough | | 0.0 | Down |
| 20210115/01 | 781 | 27 | | Carrickfergus Marina | 0.0 | 0.0 | Antrim |
| 20210117/01 | 777 | 60 | | Ballyhenry Island, Strangford Lough | | 0.0 | Down |
| 20210201/01 | 777 | 43 | | SW of Mountstewart, Strangford Lough | | 0.0 | Down |
| 20210207/01 | 777 | 20 | | Granagh Bay, Strangford Lough | | 0.0 | Down |
| 20210305/01 | 777 | 34 | | Greyabbey, Strangford Lough | | 0.0 | Down |
| 20210416/01 | 777 | 45 | | Ballyhenry Island, Strangford Lough | | 0.0 | Down |
| 20210428/01 | 777 | 50 | | The Dorn, Ardkeen, Strangford Lough | | 0.0 | Down |
| 20210429/01 | 777 | 23 | | SW of Mountstewart, Strangford Lough | | 0.0 | Down |
| 20210513/01 | 777 | 41 | | Marlfield Bay, Strangford Lough | | 25.0 | Down |
| 20210513/02 | 777 | 60 | | Ballyhenry Bay, Strangford Lough | | 0.0 | Down |
| 20210515/01 | 777 | 13 | | Duncan's Bo, Rathlin Island | | 30.0 | Antrim |
| 20210515/02 | 777 | 46 | | Ruecallan, Rathlin Island | | 30.0 | Antrim |
| 20210516/01 | 777 | 37 | | Skerries, Portrush | | 30.0 | Antrim |
| 20210516/02 | 777 | 22 | | Skerries, Portrush | | 30.0 | Antrim |
| 20210525/01 | 777 | 40 | | Ballydorn, Strangford Lough | | 0.0 | Down |
| 20210605/01 | 777 | 59 | | Skerries, Portrush | | 30.0 | Antrim |
| 20210605/02 | 777 | 35 | | Skerries, Portrush | | 30.0 | Antrim |
| 20210606/01 | 777 | 62 | | Skerries, Portrush | | 30.0 | Antrim |
| 20210606/02 | 777 | 31 | | Skerries, Portrush | | 30.0 | Antrim |
| 20210718/01 | 777 | 24 | | Skerries, Portrush | | 30.0 | Antrim |
| 20210809/01 | 777 | 5 | | Granagh Bay, Strangford Lough | | 3.0 | Down |
| 20210810/01 | 777 | 1 | | Ballyhenry Island, Strangford Lough | | 0.0 | Down |
| 20210815/01 | 777 | 40 | | Ballyhenry Bay, Strangford Lough | | 5.0 | Down |
| 20210816/01 | 777 | 36 | | Ballyhenry Bay, Strangford Lough | | 5.0 | Down |
| 20210821/01 | 777 | 39 | | Duncan's Bo, Rathlin Island | | 30.0 | Antrim |
| 20210821/02 | 777 | 24 | | Damicornis Bay, Rathlin Island | | 30.0 | Antrim |
| 20210822/01 | 777 | 28 | | off Doon Point, Rathlin Island | | 30.0 | Antrim |
| 20210822/02 | 777 | 52 | | Ruecallan, Rathlin Island | | 30.0 | Antrim |
| 20210830/01 | 777 | 29 | | Ballyhenry Island, Strangford Lough | | 0.0 | Down |
| 20211016/01 | 777 | 109 | | Carrick-a-rede | | 30.0 | Antrim |
| 20211017/01 | 777 | 40 | | Carrick-a-rede | | 30.0 | Antrim |
| 20211017/02 | 777 | 55 | | Wreck of the Lochgarry, Rathlin Island | | 30.0 | Antrim |
