Southsea Castle is open every year from March to October, plus entry is completely free!
Visitors can explore the keep, enjoy panoramic views from the top of the Keep to the Isle of Wight and Solent before enjoying a bite to eat in The Courtyard.
Not only can you spend a whole day exploring this historical castle for free, but there's also a whole calendar of events all year-round. Click through to the website to take a look at what's coming up.
Opening times are Tuesday - Sunday, 10am to 5pm.
Concessions: Free entry