Castle Cornet and Museums

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Castle Cornet is Guernsey's ancient harbour fortress, which was isolated upon a rocky islet until the construction of a breakwater and bridge in the 19th century. Dating from the 13th century it was periodically upgraded, withstanding sieges during the Hundred Years War and English Civil Wars. It last saw action when it was occupied by the Germans in World War II.

The castle contains a number of museums. The Maritime Museum tells the story of Guernsey's relationship with the sea. It also includes a display about the Gallo-Roman wreck recovered from the nearby harbour mouth in 1985. The Story of Castle Cornet interprets the history of Castle Cornet, using a variety of reconstructions, replicas, models and original artefacts.

The Militia Museum tells the story of the Royal Guernsey Militia and houses many regimental relics. The RGLI Museum tells the story of the Royal Guernsey Light Infantry in the Great War and includes a tableau of the Battle of Cambrai. 201 Squadron RAF Museum tells the story of "Guernsey's Own" squadron from its foundation in the Great War to the present day.

The Castle also includes small period gardens.

Venue Type:

Museum, Castle or defences

Opening hours

Open late March-late October: Daily 10.00-17.00

Closed: November to early March

Please check website for exact opening days.

Admission charges

Prices for 2014 season:
Best value ticket is the Discovery Pass - unlimited entry to our 3 sites for only £16 per adult and accompanying children go free.
Adult £10.00 Senior £8.00 Student/Child 7+ £2.50 7 & under free.
Late day admission after 4pm just £1. Group & multi-site discounts, please enquire.

Additional info

Castle Cornet also has a museum shop located in the old guard house and a refectory (in the Upper Barracks building) serving light meals and refreshments.
Guided tours are most days at 10.30am. Living History Performances on some days throughout the season. Garden Tours on some Sundays too, please enquire.

Substantial collections of maritime art, weapons, medals, militaria, uniforms, ship models, Roman and medieval archaeology, ship-building and privateering

Collection details

Weapons and War, Trade and Commerce, Social History, Science and Technology, Maritime, Land Transport, Fine Art, Decorative and Applied Art, Costume and Textiles, Coins and Medals, Aviation, Archaeology

Key artists and exhibits

  • Guernsey History
  • Maritime Museum
  • Story of Castle Cornet
  • Royal Guernsey Militia Museum
  • Royal Guernsey Light Infantry Museum
  • 201 (Guernsey's Own) Squadron RAF Museum

Castle Cornet and Museums
Castle Emplacement
St Peter Port




01481 721657


01481 715177

All information is drawn from or provided by the venues themselves and every effort is made to ensure it is correct. Please remember to double check opening hours with the venue concerned before making a special visit.