Fort Blockhouse (Event from 2019)

Fort Blockhouse (Event from 2019)

Guided Tour

Meet at Submarine Museum car park, Haslar Jetty Road, Gosport, Hampshire, PO12 2AS

HMS Dolphin (now known as Fort Blockhouse) was the home to the Royal Navy’s Submarine Service from 1904-1999.

Take part in a guided tour of Fort Blockhouse, a former RN Submarine Base

Visitors will be told of the history of the fort from 1415 to the present day. Includes an opportunity to view Harold Willie’s paintings in the Officers Mess, and visit the chapel dedicated to RN and Allied Submariners lost at sea. Experience unique views of Portsmouth Harbour entrance and the Solent.

PLEASE NOTE The Submarine Escape Training Tank will NOT be part of this year’s tours.

The tour may be cancelled and or altered at short notice for Operational Reasons

Duration: approx 2hrs.  Please arrive 15mins before start time.


  • Saturday 14 September: Tour 1000 & 1330
  • Saturday 21 September: 1000 & 1330



Book on line

Booking opens on 24 August at 0930


????? ????? ????? ????? ????? ????? ?????


A walk of one mile on mainly level roads and footpaths. Sensible footwear advised. Water surroundings so care must be taken to follow safety instructions of the Guide. Stepped entrance to the Chapel and Officers Mess prevent wheelchair access to those areas. Accessible toilet and refreshment facilities are available at The Submarine Museum.



Tour aimed at adults, so no one under 16 years of age.  This is a secure MOD site so security procedures will be in force. Bags may be security checked. NO photography allowed.



Gosport maritime heritage volunteer guides

MAP/DIRECTIONS (approximate)

For travel information about how to get to and around Gosport, click here.