Ballagarey[1] (Manx: balley-y-gharee [baləˈɡɛːɾi] – 'sourland, wet area farm')[2] is located between the third and fourth milemarkers used for recognition of the Snaefell Mountain Course road-racing circuit on the primary A1 Douglas to Peel road, in the parish of Marown in the Isle of Man.

As part of a wayside residential ribbon development, Ballagarey[3] is situated on the eastern edge of Glen Vine and Crosby villages on the primary A1 road in the Douglas-to-Peel central valley.

[9] It was the setting for a spectacular crash in 2010 when Guy Martin's race bike crashed at high speed, with a full tank of fuel after a pit stop just minutes earlier, exploding into a fireball a day after a fatal racing accident involving New Zealand rider Paul Dobbs at the same location.

Martin escaped serious injury, and after being helicopter-airlifted, recovered in hospital from bruising to both lungs and minor fractures to his upper spine.

Ballagarey Corner featured in the Isle of Man Film CinemaNX production TT3D: Closer to the Edge after an accident to road racer Guy Martin during lap 3 of the 2010 Senior TT races caused a number of protective hay bales to be set alight by a petrol fireball.