Joint Services Adventurous Sail Training Centre (JSASTC)
This is the Royal Navy's dedicated offshore sail training hub for HM Armed Forces, sitting right on the Gosport waterfront and serving as the heartbeat of military sailing in the UK. If you're in the services, this is where you come to rack up RYA qualifications, join offshore expeditions, or take out a yacht for unit-led adventurous training. It's a serious, purpose-driven setup rather than a commercial marina, so expect a working military atmosphere with a real focus on seamanship and getting miles under your keel.
Marinas and anchorages near Joint Services Adventurous Sail Training Centre (JSASTC) · times are dock to dock
Based on AIS data
quiet → busy
Popular Times
How full it gets, by local hour — tallest when the most boats are here.
- Busiest on Mondays and Sundays
- Fullest around 02:00, emptiest around 11:00
- Half the boats arrive by 14:00
- 92% of visits are overnight
- Typical day stop: ~3h · max recorded 89 boats
Plan a Passage
Popular
23 legs boats have actually been recorded sailing.
How busy is it?
typically 1st busiest of 13 nearby spots across the year

