Holm Sailing Club is based in the village of St Mary's where Snipe one design dinghies have been raced for over 70 years. Now the club also offers junior sailing in Toppers as well as sailing in other dinghy designs but the Snipe one design class remains the backbone of the club.
The facilities at St Mary's include a pier and a slipway. The slipway allows easy launching of small boats. Racing tends to be around laid marks within the small bay which is on the eastern side of Scapa Flow and protected from the North Sea by the first Churchill Barrier.
Each Tuesday evening in the summer points racing is held by the club. The racing is round laid marks within the bay and courses are typically of short duration (around 20 minutes).