Schiermonnikoog is a municipality and an island in the northern Netherlands, one of the West Frisian Islands. The only village on the island is also called Schiermonnikoog. The main source of income on Schiermonnikoog is tourism. The island houses a campground, a ferry pier, a tidal harbour for small vessels and approximately 15 hotels and hundreds of vacation houses and apartments. The only public transport to Schiermonnikoog is by ferry from the lock and harbour complex of Lauwersoog. Even during the winter months there is more than one connection per day.