| Date | Hour | Min | Species | Number | Location | By |
| 13/01/2012 | 13 | 30 | Bottlenose Dolphin | 15 | Marine Drive | Ian and Mag Wallace |
| 13/01/2012 | 10 | 45 | Bottlenose Dolphin | 60 | Heading from Onchan to Douglas Bay | Elisa Matthews, Manx Whale and Dolphin Watch |
| 08/01/2012 | 15 | 30 | Bottlenose Dolphin | 5 | Langness | Marion Bolam |
| 08/01/2012 | 14 | 0 | Bottlenose Dolphin | 10 | Marine Drive | MaryJane Watson |
| 08/01/2012 | 12 | 30 | Harbour Porpoise | 2 | 1/2 mile ENE Pt.St.Mary harbour | Martin Lambden |
| 08/01/2012 | 11 | 0 | Bottlenose Dolphin | 30 | Douglas Bay | Pamela Jacobsen |
| 08/01/2012 | 10 | 20 | Bottlenose Dolphin | 5 | Between Onchan and Groudle | Roy Maddrell |
| 06/01/2012 | 11 | 50 | Harbour Porpoise | 2 | Ramsey bay | danny kermeen |
| 06/01/2012 | 9 | 30 | Bottlenose Dolphin | 12 | Bulgham Bay & Dhoon Bay, close inshore. | John Cowin |
| 03/01/2012 | 10 | 25 | Bottlenose Dolphin | 10 | Fort Island | Brian Liggins |
| 31/12/2011 | 10 | 15 | Bottlenose Dolphin | 150 | Douglas to Marine Drive | Mike Craine |
| 30/12/2011 | 12 | 15 | Harbour Porpoise | 2 | 200 yds S of Carrick | Martin Lambden |
| 30/12/2011 | 10 | 0 | Harbour Porpoise | 2 | 200 yds off flat rocks, Pt St Mary | Martin Lambden |
| 30/12/2011 | 9 | 30 | Bottlenose Dolphin | 3 | Onchan Head | Pamela Jacobsen |
| 11/12/2011 | 10 | 30 | Bottlenose Dolphin | 15 | Port-e-Vullen, Ramsey | Sean Gray |
| 10/12/2011 | 15 | 10 | Harbour Porpoise | 1 | Groudle | Tom Felce |
| 01/12/2011 | 14 | 30 | Bottlenose Dolphin | 2 | Off Peel breakwater | Peel Kiosk, Maurice et al. |
| 30/11/2011 | 14 | 0 | Bottlenose Dolphin | 7 | Off Peel breakwater | Peel Kiosk, Maurice et al. |
| 30/11/2011 | 8 | 45 | Bottlenose Dolphin | 15 | Port Moaar,, moving towards Laxey | Wendy Cowin |
| 27/11/2011 | 14 | 45 | Harbour Porpoise | 5 | Dhoon Bay | John Cowin |
| 25/11/2011 | 11 | 30 | Harbour Porpoise | 8 | Clay Head | Shane Stigant |
| 23/11/2011 | 13 | 30 | Bottlenose Dolphin | 20 | From Peel breakwater | Eleanor Stone |
| 22/11/2011 | 12 | 45 | Bottlenose Dolphin | 30 | Port Mooar | Fred Hodgson, Wendy Cowin et al. |
| 22/11/2011 | 12 | 0 | Bottlenose Dolphin | 7+ | From Ayres Visitor Centre | Erica Spencer |
| 20/11/2011 | 11 | 0 | Harbour Porpoise | 3 | 1 mile West of Port Erin | Martin Lambden |
| 12/11/2011 | 13 | 0 | Bottlenose Dolphin | 8 | Southern end of Ramsey Bay | MaryJane Watson |
| 07/11/2011 | 13 | 0 | Harbour Porpoise | 2 | 6 miles off Douglas | john maddrell |
| 07/11/2011 | 10 | 0 | Bottlenose Dolphin | 100 | Between Laxey and Maughold | Paul Quayle, Jack and Jemima et al. |
| 07/11/2011 | 9 | 0 | Bottlenose Dolphin | 100+ | North of Maughold Head | Tom Felce |
| 06/11/2011 | 15 | 20 | Harbour Porpoise | 10 | Half a mile SE of Carrick Roayrt, S end of Bulgham Bay | John Cowin |
| 06/11/2011 | 14 | 35 | Harbour Porpoise | 14 | Bulgham Bay | John Cowin |
| 06/11/2011 | 10 | 30 | Bottlenose Dolphin | 100-150 | Marine Drive | Paul Quayle |
| 05/11/2011 | 7 | 50 | Harbour Porpoise | 3 | Off Clay Head, Laxey | Nick Cowell |
| 03/11/2011 | 9 | 0 | Minke Whale | 1 | Just off Douglas Bay | Richard Selman |
| 02/11/2011 | 11 | 0 | Bottlenose Dolphin | 100+ | Ramsey Bay | Richard Herdman |
| 01/11/2011 | 14 | 30 | Bottlenose Dolphin | 75 | Ramsey Bay to Maughold | Orry Corlett |
| 01/11/2011 | 14 | 0 | Minke Whale | 1 | 300m off clay head travelling out to sea | john maddrell |
| 01/11/2011 | 13 | 30 | Bottlenose Dolphin | 10 | ramsey bay , shallags to cranstal 0.5 nm from shore | danny |
| 13/10/2011 | 10 | 2 | Harbour Porpoise | 3 | | Sarah Kaye |
| 09/10/2011 | 9 | 15 | Minke Whale | 1 | North east of Clay Head | Shane Stigant |
| 01/10/2011 | 15 | 35 | Minke Whale | 1 | 3 miles ESE of Douglas | Peter Quirk |
| 15/09/2011 | 7 | 15 | Minke Whale | 1 | Laxey Bay | Shane Stigant |
| 14/09/2011 | 18 | 15 | Bottlenose Dolphin | 15 | Laxey Bay then Bulgham Bay | Sharon Keig, Shane Stigant |
| 13/09/2011 | 12 | 30 | Bottlenose Dolphin | 4 | Clay Head | Hugh Leoidsson |
| 31/08/2011 | 19 | 5 | Large Rorqual whale - poss Sei?? | 1 | 4-5 miles NW of Dalby Point | John Galpin |
| 31/08/2011 | 18 | 59 | Harbour Porpoise | 3 | WSW Glen Maye | Brian Maddrell |
| 31/08/2011 | 13 | 0 | Bottlenose Dolphin | 100+ | All over Ramsey Bay | Ramsey RNLI |
| 31/08/2011 | 11 | 40 | Harbour Porpoise | 1 | 1.5 km East of Kittaland | Happy Jack |
| 31/08/2011 | 2 | 22 | Harbour Porpoise | 3 | 1 mile west Contrary Head | Mal. Kelly |
| 30/08/2011 | 18 | 30 | Harbour Porpoise | 4 | South West of Glen Maye | Brian Maddrell |
| 26/08/2011 | 12 | 30 | Minke Whale | 1 | 5 km North West of Peel | Happy Jack |
| 26/08/2011 | 9 | 35 | Minke Whale | 1 | Off Contrary Head | Brian Maddrell |
| 24/08/2011 | 11 | 10 | Harbour Porpoise | 3 | Mooragh Promenade, Ramsey | Fred |
| 23/08/2011 | 18 | 15 | Risso's Dolphin | 3 | North of the Calf | Sue Whittaker |
| 23/08/2011 | 18 | 0 | Harbour Porpoise | 3 | The Sound, south side then north side | sue whittaker |
| 22/08/2011 | 15 | 40 | Harbour Porpoise | 2 | Observed from front garden - big bino's | Brian Maddrell |
| 22/08/2011 | 13 | 15 | Bottlenose Dolphin | 2 | Niarbyl | Brian Maddrell |
| 22/08/2011 | 13 | 10 | Harbour Porpoise | 3 | 1 km off Niarbyl | Tom Felce |
| 22/08/2011 | 12 | 30 | Harbour Porpoise | 4 | back of bradda head | Janice Cooil |
| 22/08/2011 | 12 | 25 | Risso's Dolphin | 18 | North west of Niarbyl | Tom Felce |
| 21/08/2011 | 14 | 0 | Harbour Porpoise | 2 | 1000 metres off Garwick bay | David Dunkley |
| 20/08/2011 | 16 | 20 | Common Dolphin | 1 | maughold head | eddie |
| 17/08/2011 | 19 | 30 | Harbour Porpoise | 6 | Half a mile off Sugar Loaf | Bob Taylor GEMINI |
| 17/08/2011 | 14 | 30 | Minke Whale | 6 | 12km south of Calf | John Galpin |
| 17/08/2011 | 14 | 0 | Minke Whale | 5 | 2 miles west of Peel | Karen Shepherd |
| 16/08/2011 | 17 | 45 | Risso's Dolphin | 5 | Half a mile off Perwick Bay | Bob Taylor GEMINI |
| 09/08/2011 | 17 | 40 | Risso's Dolphin | 12 | Perwick Bay | Bob Taylor |
| 08/08/2011 | 20 | 55 | Harbour Porpoise | 2 | 100 mtr inside bradda head port erin | sue whittaker |
| 07/08/2011 | 11 | 0 | Harbour Porpoise | 4 | 200m out of Port Erin bay | David Beard |
| 07/08/2011 | 11 | 0 | Minke Whale | 1 | 500m off port erin | David Beard |
| 06/08/2011 | 14 | 0 | Risso's Dolphin | 10-12 | Approx 3 miles S of sound,jumping,spy hopping, swimming | Martin Lambden |
| 06/08/2011 | 13 | 50 | Harbour Porpoise | 2 | 4.4 km NW of Bradda Head | Happy Jack |
| 06/08/2011 | 13 | 42 | Harbour Porpoise | 3 | 13.9km north of Bradda Head | Happy Jack |
| 06/08/2011 | 13 | 25 | Harbour Porpoise | 2 | 3.6 km north of Bradda Head | Happy Jack |
| 06/08/2011 | 13 | 2 | Harbour Porpoise | 1 | 5.2km N of Port Erin Bay | Happy Jack |
| 06/08/2011 | 13 | 2 | Harbour Porpoise | 2 | 3.6 km W of Bradda Head | Happy Jack |
| 06/08/2011 | 12 | 52 | Harbour Porpoise | 2 | 3.8 km SW of Port Erin Bay | Happy Jack |
| 06/08/2011 | 12 | 42 | Harbour Porpoise | 2 | 1km NW of Kittaland | Happy Jack |
| 06/08/2011 | 12 | 6 | Harbour Porpoise | 3 | 2 km SW of Port St Mary | Happy Jack |
| 06/08/2011 | 11 | 51 | Harbour Porpoise | 3 | 1.9km SW of Port St Mary | Happy Jack |
| 06/08/2011 | 11 | 0 | Risso's Dolphin | 6 | 4818 m NW of Peel Castle | Mal. Kelly |
| 06/08/2011 | 10 | 0 | Risso's Dolphin | 5 | 500m NW of Dalby Point | John Galpin |
| 05/08/2011 | 14 | 38 | Harbour Porpoise | 2 | 1. miles North off Peel | Mal. Kelly |
| 03/08/2011 | 15 | 0 | Risso's Dolphin | 15 | | Hugh Leoidsson |
| 01/08/2011 | 17 | 10 | Harbour Porpoise | 1 | 0.4km south of Spanish Head | Happy Jack |
| 01/08/2011 | 16 | 45 | Harbour Porpoise | 6 | Glen Maye beach | Adam Collison |
| 01/08/2011 | 1 | 0 | Risso's Dolphin | 4 | North-west of the Sound. | Eddie Kaighin |
| 30/07/2011 | 10 | 30 | Risso's Dolphin | 2 | Langness - East coast from Herring Tower | Steve Wright |
| 27/07/2011 | 19 | 49 | Harbour Porpoise | 1 | 6km NW of Brada Head | Tom Felce |
| 27/07/2011 | 19 | 0 | Harbour Porpoise | 2 | due north off Rue Point | Nick Pinder |
| 27/07/2011 | 18 | 53 | Risso's Dolphin | 11 | 4km east of the Calf | Tom Felce |
| 27/07/2011 | 18 | 48 | Minke Whale | 1 | 5km SW of the Calf | Tom Felce |
| 27/07/2011 | 18 | 5 | Unidentified Large Cetacean | 2 | 6km SW of the Calf | Tom Felce |
| 27/07/2011 | 18 | 3 | Minke Whale | 1 | 5km SW of the Calf | Tom Felce |
| 27/07/2011 | 17 | 49 | Harbour Porpoise | 6 | 1km off Perwick beach | Happy Jack |
| 27/07/2011 | 17 | 1 | Harbour Porpoise | 5 | 18km south of the Calf | Tom Felce |
| 27/07/2011 | 16 | 37 | Harbour Porpoise | 2 | 24km SW of the Calf | Tom Felce |
| 27/07/2011 | 16 | 28 | Harbour Porpoise | 2 | 25km SW of the Calf | Tom Felce |
| 27/07/2011 | 16 | 8 | Harbour Porpoise | 6 | 24km SW of the Calf | Tom Felce |
| 27/07/2011 | 16 | 4 | Harbour Porpoise | 2 | 23km SW of the Calf | Tom Felce |
| 27/07/2011 | 15 | 56 | Unidentified Large Cetacean | 1 | 21km SW of the Calf | Tom Felce |
| 27/07/2011 | 15 | 34 | Harbour Porpoise | 1 | 17km SW of the Calf | Tom Felce |
| 27/07/2011 | 15 | 16 | Risso's Dolphin | 1 | 1km off Bradda head | Happy Jack |
| 27/07/2011 | 15 | 15 | Harbour Porpoise | 3 | 14km SW of the Calf | Tom Felce |
| 27/07/2011 | 15 | 11 | Harbour Porpoise | 3 | 15km SW of the Calf | Tom Felce |
| 27/07/2011 | 15 | 5 | Harbour Porpoise | 2 | 14km SW of the Calf | Tom Felce |
| 27/07/2011 | 15 | 1 | Harbour Porpoise | 3 | 13km SW of the Calf | Tom Felce |
| 27/07/2011 | 14 | 52 | Harbour Porpoise | 2 | 4 km NW of Niarbyl | Happy Jack |
| 27/07/2011 | 14 | 35 | Harbour Porpoise | 4 | 9km West of Peel | Happy Jack |
| 27/07/2011 | 14 | 26 | Harbour Porpoise | 1 | 12km N of Peel | Happy Jack |
| 27/07/2011 | 14 | 23 | Harbour Porpoise | 2 | 20km SW of the Calf | Tom Felce |
| 27/07/2011 | 14 | 17 | Harbour Porpoise | 15 | 20km SW of the Calf | Tom Felce |
| 27/07/2011 | 14 | 6 | Harbour Porpoise | 1 | 21km SW of the Calf | Tom Felce |
| 27/07/2011 | 14 | 4 | Minke Whale | 1 | 21km SW of the Calf | Tom Felce |
| 27/07/2011 | 14 | 3 | Harbour Porpoise | 1 | 21km SW of the Calf | Tom Felce |
| 27/07/2011 | 13 | 51 | Harbour Porpoise | 4 | 12 km North of Peel | Happy Jack |
| 27/07/2011 | 13 | 44 | Harbour Porpoise | 1 | 13.5km NW of peel | Happy Jack |
| 27/07/2011 | 13 | 41 | Common Dolphin | 30 | 25kms south west of the Calf | Tom Felce |
| 27/07/2011 | 13 | 41 | Minke Whale | 1 | 22km SW of the Calf | Tom Felce |
| 27/07/2011 | 13 | 8 | Harbour Porpoise | 3 | 25KM SW of the Calf | Tom Felce |
| 27/07/2011 | 12 | 53 | Harbour Porpoise | 2 | 30KM SW of Calf | Tom Felce |
| 27/07/2011 | 12 | 45 | Harbour Porpoise | 3 | 31KM SW of the Calf | Tom Felce |
| 27/07/2011 | 12 | 23 | Harbour Porpoise | 3 | 30KM SW of the Calf | Tom Felce |
| 27/07/2011 | 12 | 9 | Harbour Porpoise | 2 | 28km SW of the Calf | Tom Felce |
| 27/07/2011 | 12 | 3 | Harbour Porpoise | 2 | 12km N of Peel | Happy Jack |
| 27/07/2011 | 12 | 2 | Unidentified Small Cetacean | 10 | 27km SW of the Calf | Tom Felce |
| 27/07/2011 | 11 | 50 | Harbour Porpoise | 2 | 27km SW of the Calf | Tom Felce |
| 27/07/2011 | 11 | 29 | Harbour Porpoise | 1 | 13KM SW of the Calf | Tom Felce |
| 27/07/2011 | 11 | 26 | Harbour Porpoise | 2 | 7km NW of Devil's Elbow | Happy Jack |
| 26/07/2011 | 10 | 30 | Risso's Dolphin | 7 | 8kms west of Peel | Steve Black |
| 22/07/2011 | 15 | 0 | Minke Whale | 1 | Observed from front garden - big bino's | Brian Maddrell |
| 14/07/2011 | 11 | 28 | Minke Whale | 1 | 3km west of Niarbyl | Happy Jack |
| 14/07/2011 | 10 | 51 | Harbour Porpoise | 1 | 3km west Niarbyl | Happy Jack |
| 14/07/2011 | 10 | 35 | Minke Whale | 2 | North Niarbyl | Mal. Kelly, Foillan Beg |
| 14/07/2011 | 10 | 35 | Harbour Porpoise | 15 | 1.6 miles North Niarbyl | Mal. Kelly, Foillan Beg |
| 14/07/2011 | 10 | 23 | Harbour Porpoise | 1 | 3km West of Dalby | Happy Jack |
| 13/07/2011 | 14 | 21 | Harbour Porpoise | 2 | 5km W Bradda Head | Happy Jack |
| 13/07/2011 | 13 | 37 | Harbour Porpoise | 2 | 5.5km NW of Bradda Head | Happy Jack |
| 13/07/2011 | 13 | 28 | Harbour Porpoise | 2 | 5.6km NW of Bradda Head | Happy Jack |
| 13/07/2011 | 12 | 48 | Harbour Porpoise | 1 | 3km NW of Fleshwick Bay | Happy Jack |
| 12/07/2011 | 15 | 0 | Harbour Porpoise | 2 | The Ayres | Catherine Sheldrake |
| 11/07/2011 | 19 | 45 | Harbour Porpoise | 3 | Sugarloaf - 50m from the Sugarloaf stack swimming into the bay | Steve Wright |
| 11/07/2011 | 17 | 8 | Minke Whale | 1 | 4km NW of Peel Hill | Happy Jack |
| 11/07/2011 | 11 | 0 | Risso's Dolphin | 4 | Approx 3 miles SSE of Sound | Martin Lambden |
| 10/07/2011 | 17 | 32 | Minke Whale | 1 | Just North of Niarbyl | Brian Maddrell |
| 10/07/2011 | 15 | 52 | Harbour Porpoise | 1 | 3.3km West of Fleshwick Bay | Happy Jack |
| 10/07/2011 | 15 | 36 | Harbour Porpoise | 1 | 3km West of P. Erin | Happy Jack |
| 10/07/2011 | 15 | 36 | Harbour Porpoise | 2 | 3km West of P. Erin | Happy Jack |
| 10/07/2011 | 14 | 30 | Risso's Dolphin | 5 | 1km East of the Sound | Happy Jack |
| 10/07/2011 | 14 | 17 | Minke Whale | 1 | 1km East of the Sound | Happy Jack |
| 10/07/2011 | 13 | 0 | Risso's Dolphin | 12 | ~8 miles SW of Chicken Rock | Steve Taylor |
| 10/07/2011 | 13 | 0 | Risso's Dolphin | 4 | First sighted approx 1 mile ESE Sugarloaf. | Martin Lambden |
| 10/07/2011 | 12 | 18 | Harbour Porpoise | 3 | Just North of Niarbyl | Brian Maddrell |
| 10/07/2011 | 12 | 0 | Harbour Porpoise | 1 | Just off Perwick bay | Martin Lambden |
| 09/07/2011 | 18 | 30 | Risso's Dolphin | 8 | 3km south west of Lagness | Niki Clear & Martin Mitchell |
| 06/07/2011 | 18 | 0 | Risso's Dolphin | 35 | off langness point, in castletown bay | Alan Callister |
| 04/07/2011 | 19 | 30 | Harbour Porpoise | 2 | Port-e-Vullen | The Leaches |
| 04/07/2011 | 19 | 30 | Risso's Dolphin | 2 | Marine Drive | Sharon Keig |
| 04/07/2011 | 17 | 10 | Harbour Porpoise | 7 | Calf West | Tom Felce |
| 04/07/2011 | 15 | 40 | Harbour Porpoise | 3 | Calf West | Tom Felce |
| 04/07/2011 | 15 | 0 | Minke Whale | 2 | 15 miles south east of Langness | Jon Shaw |
| 04/07/2011 | 13 | 0 | Minke Whale | 1 | Calf East | Becca Crow |
| 03/07/2011 | 21 | 5 | Harbour Porpoise | 2 | South of Kitterland | sue whittaker |
| 03/07/2011 | 15 | 30 | Harbour Porpoise | 2 | Off port st mary ledges/perwick bay | Neil Clague |
| 03/07/2011 | 8 | 15 | Harbour Porpoise | 3 | Herring tower heading to lighthouse, Langness | Richard Cooil |
| 02/07/2011 | 17 | 40 | Common Dolphin | 20 | Port St Mary | Tom Felce |
| 02/07/2011 | 17 | 25 | Harbour Porpoise | 3 | Port St Mary | Tom Felce |
| 02/07/2011 | 16 | 55 | Harbour Porpoise | 5 | Port St Mary | Tom Felce |
| 02/07/2011 | 11 | 15 | Risso's Dolphin | 5 | From Derbyhaven Aero Club area | John Lorraine & Craig Donnelly |
| 01/07/2011 | 17 | 30 | Harbour Porpoise | 4 | Below lighthouses, Calf | Liz Charter |
| 01/07/2011 | 16 | 45 | Harbour Porpoise | 2 | South of the Calf | Liz Charter |
| 01/07/2011 | 16 | 30 | Risso's Dolphin | 6 | Chicken Rock | Liz Charter |
| 01/07/2011 | 15 | 30 | Harbour Porpoise | 7 | Niarbyl | Tom Felce |
| 30/06/2011 | 19 | 0 | Harbour Porpoise | 2 | Just off Perwick Bay | Martin Lambden |
| 28/06/2011 | 20 | 15 | Harbour Porpoise | 2 | The Sound - Between The Parade and Spanish Head | Steve Wright |
| 28/06/2011 | 18 | 14 | Harbour Porpoise | 1 | 1km south of Port St Mary Harbour | Happy Jack |
| 28/06/2011 | 14 | 17 | Harbour Porpoise | 2 | 3.3 West of Peel | Happy Jack |
| 28/06/2011 | 14 | 4 | Harbour Porpoise | 1 | 3km West of Contrary Head | Happy Jack |
| 28/06/2011 | 13 | 38 | Minke Whale | 2 | 4km West Glen Maye | Happy Jack |
| 28/06/2011 | 13 | 15 | Harbour Porpoise | 3 | Calf East | Sarah Kaye |
| 28/06/2011 | 12 | 45 | Harbour Porpoise | 4 | 4km West of Niarbyl | Happy Jack |
| 28/06/2011 | 12 | 45 | Harbour Porpoise | 2 | 4km West of Niarbyl | Happy Jack |
| 28/06/2011 | 11 | 36 | Harbour Porpoise | 2 | 3.3km off Niarbyl White Beach | Happy Jack |
| 28/06/2011 | 11 | 15 | Harbour Porpoise | 1 | Port St Mary | Tim Reynolds |
| 27/06/2011 | 12 | 2 | Harbour Porpoise | 12 | 10km N of Peel | Happy Jack |
| 26/06/2011 | 18 | 0 | Minke Whale | 2 | South of Sound | Carol Woodall |
| 25/06/2011 | 9 | 50 | Unidentified Small Cetacean | 1 | Calf Gibdale Bay | Kelly Diggle |
| 24/06/2011 | 11 | 7 | Harbour Porpoise | 2 | 1.9 km off Perwick Bay | Happy Jack |
| 22/06/2011 | 14 | 25 | Harbour Porpoise | 2 | Niarbyl | Becca Crow |
| 20/06/2011 | 16 | 15 | Harbour Porpoise | 1 | Calf East | Tom Felce |
| 20/06/2011 | 14 | 30 | Harbour Porpoise | 6 | 4 miles NE of Peel | Mal Kelly |
| 20/06/2011 | 13 | 33 | Harbour Porpoise | 4 | 6km W Bradda Head | Happy Jack |
| 20/06/2011 | 12 | 0 | Harbour Porpoise | 4 | 1km SW of the Chikens | Happy Jack |
| 20/06/2011 | 11 | 44 | Minke Whale | 1 | 1km West of the Chickens | Happy Jack |
| 20/06/2011 | 10 | 35 | Harbour Porpoise | 3 | Niarbyl | The Dolphineers |
| 20/06/2011 | 8 | 0 | Harbour Porpoise | 3 | Calf East | Becca Crow |
| 14/06/2011 | 15 | 30 | Common Dolphin | 1 | Niarbyl | Tim Reynolds |
| 14/06/2011 | 14 | 45 | Harbour Porpoise | 1 | Niarbyl | Tim Reynolds |
| 14/06/2011 | 11 | 10 | Harbour Porpoise | 1 | Port St Mary | Sarah Kaye |
| 11/06/2011 | 11 | 0 | Risso's Dolphin | 6 | Kione y Halbey, Calf of Man | Bob Taylor |
| 10/06/2011 | 14 | 42 | Risso's Dolphin | 3 | 6km west of Niarbyl | Happy Jack |
| 10/06/2011 | 14 | 30 | Harbour Porpoise | 12 | North of Peel | Mal. Kelly, Foillan Beg |
| 10/06/2011 | 13 | 0 | Unidentified Small Cetacean | 2 | 12km west of Fleshwick Bay | Happy Jack |
| 10/06/2011 | 11 | 31 | Harbour Porpoise | 2 | Between the Chickens and the Calf | Happy Jack |
| 04/06/2011 | 10 | 15 | Harbour Porpoise | 15 | 4.5 miles North of Peel | Mal. Kelly, Foillan Beg |
| 03/06/2011 | 17 | 45 | Minke Whale | 1 | The Ayres | John, Lorraine & Craig Donnelly |
| 03/06/2011 | 13 | 33 | Harbour Porpoise | 4 | North of the sound | Happy Jack |
| 03/06/2011 | 13 | 32 | Harbour Porpoise | 1 | North of the sound | Happy Jack |
| 03/06/2011 | 13 | 26 | Harbour Porpoise | 2 | About 4km North of the Calf | Happy Jack |
| 03/06/2011 | 13 | 23 | Harbour Porpoise | 2 | About 4km North of the Calf | Happy Jack |
| 03/06/2011 | 11 | 45 | Harbour Porpoise | 1 | Marine Drive | The Dolphineers |
| 02/06/2011 | 19 | 20 | Harbour Porpoise | 1 | Calf East | The Dolphineers |
| 02/06/2011 | 16 | 45 | Harbour Porpoise | 1 | Niarbyl | The Dolphineers |
| 02/06/2011 | 13 | 11 | Harbour Porpoise | 1 | North side of the calf | Happy Jack |
| 02/06/2011 | 12 | 20 | Harbour Porpoise | 1 | Niarbyl | Martin Mitchell |
| 02/06/2011 | 11 | 55 | Harbour Porpoise | 1 | About 2 miles north west of Peel | Paul Barlow |
| 02/06/2011 | 10 | 0 | Harbour Porpoise | 2 | Seen from home site | Brian Maddrell |
| 30/05/2011 | 10 | 30 | Harbour Porpoise | 2 | 1km off Spanish Head | Bob Taylor |
| 04/05/2011 | 16 | 25 | Harbour Porpoise | 2 | Edge of Port Erin bay | Ian Wilcock |
| 30/04/2011 | 16 | 0 | Harbour Porpoise | 1 | Just off Peel castle | Kath Smith |
| 24/04/2011 | 19 | 30 | Harbour Porpoise | 4 | Off Ledges Pt St Mary | Buster Nixon |
| 24/04/2011 | 10 | 0 | Harbour Porpoise | 1 | 1 cable South of Kitterland | David Richards |
| 23/04/2011 | 17 | 40 | Harbour Porpoise | 1 | Off Herring Tower ,Langness | Janice and Richard Cooil |
| 20/04/2011 | 19 | 45 | Harbour Porpoise | 2 | Close in to the Ledges, Port St Mary | Tom Felce |
| 20/04/2011 | 15 | 5 | Harbour Porpoise | 2 | Off Spanish Head | Colin Gundry |
| 19/04/2011 | 16 | 45 | Harbour Porpoise | 3 | Niarbyl | Tom Felce |
| 19/04/2011 | 15 | 15 | Harbour Porpoise | 3 | South of the Sound | Tom Felce |
| 19/04/2011 | 14 | 30 | Harbour Porpoise | 1 | 1km off the Ledges, Port St Mary | Tom Felce |
| 19/04/2011 | 13 | 30 | Harbour Porpoise | 2 | 1km south of Spanish Head | Colin Gundry |
| 17/04/2011 | 15 | 40 | Harbour Porpoise | 4 | Niarbyl | Tom Felce |
| 17/04/2011 | 14 | 45 | Harbour Porpoise | 1 | Approx 2km north of the Sound | Ranulf Lucas |
| 17/04/2011 | 14 | 0 | Harbour Porpoise | 1 | South of the Sound | Tom Felce |
| 17/04/2011 | 13 | 45 | Harbour Porpoise | 1 | South of the Sound | Tom Felce |
| 17/04/2011 | 13 | 0 | Harbour Porpoise | 3 | The Sound from The Parade towards Spanish Head | Steve Wright |
| 17/04/2011 | 12 | 50 | Harbour Porpoise | 8-10 | East of the Sound | Colin Gundry |
| 17/04/2011 | 12 | 0 | Harbour Porpoise | 1 | The Ledges, Port St Mary | Tom Felce |
| 17/04/2011 | 12 | 0 | Harbour Porpoise | 2 | The Ledges, Port St Mary | Tom Felce |
| 17/04/2011 | 12 | 0 | Harbour Porpoise | 1 | The Ledges, Port St Mary | Tom Felce |
| 16/04/2011 | 18 | 45 | Harbour Porpoise | 3 | 300 mts SSE of Carrick | Martin Lambden |
| 16/04/2011 | 14 | 10 | Harbour Porpoise | 3 | The Ledges, Port St Mary | Tom Felce |
| 16/04/2011 | 13 | 25 | Harbour Porpoise | 1 | The Ledges, Port St Mary | Tom Felce |
| 16/04/2011 | 13 | 0 | Harbour Porpoise | 3 | East end of Warts bank | Martin Lambden |
| 10/04/2011 | 16 | 30 | Harbour Porpoise | 3 | Castletown Bay | David Stevenson |
| 10/04/2011 | 14 | 45 | Harbour Porpoise | 1 | 300mt NW of Langness Lighthouse | Martin Lambden |
| 08/04/2011 | 12 | 45 | Harbour Porpoise | 1 | East end of Warts bank | Martin Lambden |
| 08/04/2011 | 12 | 0 | Harbour Porpoise | 1 | 1 km offshore from the Arches, Marine Drive | Tom Felce |
| 27/03/2011 | 13 | 0 | Harbour Porpoise | 2 | only just offshore, west of Pt of Ayre lighthouse | Nick Pinder |
| 26/03/2011 | 14 | 0 | Risso's Dolphin | 1 | 4 miles S of Port St Mary | Martin Lambden |
| 24/03/2011 | 18 | 0 | Harbour Porpoise | 2 | Off Bradda Mines, Port Erin | F Gell |
| 24/03/2011 | 13 | 25 | Risso's Dolphin | 3 | Marine Drive - From Walberry towards Port Soderick Bay | Steve Wright |
| 24/03/2011 | 13 | 15 | Harbour Porpoise | 1 | Marine Drive - 50m off the Arches | Steve Wright |
| 22/03/2011 | 16 | 30 | Harbour Porpoise | 7 | seaward side of Peel Breakwater | Nicola Lewis |
| 05/03/2011 | 12 | 40 | Harbour Porpoise | 1 | Port St Mary - 150m south off The Ledges | Steve Wright |
| 04/03/2011 | 11 | 45 | Bottlenose Dolphin | 10 | North of the Sound | Tom Felce |
| 02/03/2011 | 17 | 0 | Harbour Porpoise | 2 | North of Peel | Ian and Mag Wallace |
| 01/03/2011 | 15 | 45 | Harbour Porpoise | 3 | Gob ny Port Mooar | John Cowin |
| 22/02/2011 | 14 | 0 | Harbour Porpoise | 2 | The Lhen | F Gell |
| 13/02/2011 | 14 | 15 | Harbour Porpoise | 2 | 500 mts South of Perwick Bay | Martin Lambden |
| 08/02/2011 | 14 | 15 | Bottlenose Dolphin | 2 | just north of Laxey bay | Diane Gowans |
| 04/02/2011 | 9 | 5 | Bottlenose Dolphin | 5 | Peel Bay | Patrick Burden |
| 29/01/2011 | 17 | 0 | Bottlenose Dolphin | 15 | 500 yards off Marine biological lab Port Erin | Andrew Clague and Joanne Corkish |
| 29/01/2011 | 14 | 0 | Harbour Porpoise | 2 | Burroo Ned | Steve Wright |
| 29/01/2011 | 13 | 0 | Bottlenose Dolphin | 5 | Meary Veg, Santon | Sinead and family |
| 29/01/2011 | 12 | 30 | Bottlenose Dolphin | 70 | Fort Island - 200m offshore - spread widely | Steve Wright |
| 26/01/2011 | 9 | 40 | Harbour Porpoise | 12 | probably some young in group | Brian Maddrell |
| 20/01/2011 | 14 | 15 | Harbour Porpoise | 6 | | Mal. Kelly, Foillan beg |
| 19/01/2011 | 13 | 15 | Harbour Porpoise | 2 | Marine Drive - Walberry | Steve Wright |
| 12/01/2011 | 10 | 50 | Bottlenose Dolphin | 30 | Peel | Eleanor Stone |
| 08/01/2011 | 14 | 0 | Risso's Dolphin | 9 | Off Langness, seen from Castletown Golf course | Bob Taylor |