Saint Michael's Mount is a small tidal island located off the coast of Cornwall, England. It is best known for its medieval castle and chapel, which have been a popular destination for visitors for centuries. The mount is linked to the mainland by a causeway, which is only accessible during low tide.

The castle and chapel on Saint Michael's Mount have a rich history, dating back to the 11th century. The castle was originally built as a monastery and has served as a fortification, a residence for royalty, and a private home over the centuries. The chapel on the mount has been a place of worship for over 1,000 years and is dedicated to Saint Michael, the patron saint of seafarers.

Today, Saint Michael's Mount is a popular tourist destination, attracting visitors from all over the world. Visitors can tour the castle, chapel, and gardens, and enjoy stunning views of the Cornish coast. There are also a number of shops, cafes, and restaurants on the mount, making it a great place to spend a day.

The mount is also home to a thriving community, with around 30 residents who live on the island year-round. The island is self-sufficient, with its own water supply, generator, and sewage treatment plant, and the residents are actively involved in maintaining the castle and gardens.