De Koog is a town in the Dutch province of North Holland. It is a part of the municipality of Texel, and lies about 17 km north of Den Helder. It is the main centre of tourism on the island. The small village is surrounded with many hotels and campgrounds. The village is located on the North Sea coast of the island. Only two narrow lines of dunes separate the village from the beach. South of the village is a wooded area which is also popular with tourists. The information centre and museum about the Wadden Sea, Ecomare, are located here. In 2001, the town of De Koog had 775 inhabitants.