Calshot Castle
Hampshire, England
Managed by Hampshire County Council
Camber Castle
East Sussex, England
Exterior viewable anytime; one-mile walk from Rye
Deal Castle
Kent, England
Henry VIII Device Fort
Hurst Castle
Hampshire, England
Reached by ferry or shingle spit walk
Pendennis Castle
Cornwall, England
Henrician artillery fort; two EH holiday cottages
Southsea Castle
Hampshire, England
Henrician fort; free entry, seasonal
St Mawes Castle
Cornwall, England
Henrician artillery fort; Fort House holiday cottage nearby
Walmer Castle and Gardens
Kent, England
Lord Warden's residence; two holiday lets
Yarmouth Castle
Isle of Wight, England