Open everyday April - October from 10am (except 24 – 27 & 31st Dec & 1, 2, 3 Jan) 
April – October 10am - 5.30pm
November – March 10am - 4.30pm. Closed Mondays & Tuesdays except for school holidays (Christmas & February half term)
Last tour of HMS Alliance 1 hour before closing.
Please note that HMS Alliance is undergoing vital conservation work. There may be days when access is not possible. Please check on this page for the latest information.
It is FREE to visit the Submarine Shop and Harbour Stations Coffee Shop throughout the year. Both follow Museum opening times, however the Coffee Shop is only open from 11am – 3pm during November - March with the exception of school holidays.
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The Royal Navy Submarine Museum . Haslar Jetty Road . Gosport . Hampshire . PO12 2AS

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