Royal INN is a Western restaurant in Windsor House in Causeway Bay that serves French-Asian fusion dishes. Its lunch and dinner sets come with a semi-buffet, and the menu includes French snail dishes, truffle pasta, and seafood pasta with lobster sauce. The interior has French arches, chandeliers, and a large Roman-style fountain, with Mediterranean music during the day and sometimes a live band at night. The semi-buffet does not offer a wide variety of dishes and is not replenished generously.