Calshot Sailing Club - Based at the entrance to Southampton Water. Provides membership information and programme of events. - http://www.calshot-sailing.co.uk/
Calshot Sub-Aqua Club - Includes events, contacts and reference documents. - http://www.calshotdivers.com/
Calshot Activities Centre - Offers courses in outdoor sports including sailing, windsurfing, climbing and skiing with environmental and field studies. Overview of events and booking information. - http://www.calshot.com/