The Castle Inn is a public house in West Lulworth, Dorset, England, which dates from the 16th century. It was originally called The Green Man, and later the The Jolly Sailor. As of 2014, the pub is a popular traditional pub and hotel. Alex Halliday is the current landlord, and the third generation of the Halliday family who have run the pub for over 30 years. The Castle Inn has a focus upon traditional real ales, real ciders and perries.