Sylt is located in the North Sea, about 10 kilometers off the coast of Schleswig-Holstein, Germany. The island has a length of approximately 38 kilometers and a width of 13.5 kilometers at its widest point. The northern part of the island is dominated by sand dunes and beach areas, while the southern part is more densely populated with towns and villages. The highest point on the island is the Uwe Düne, which stands at 52.5 meters above sea level.


Sylt has a maritime climate, which is characterized by mild temperatures and high humidity. The island is known for its strong winds, which can reach speeds of up to 120 km/h during winter storms. The average temperature in summer is around 18°C, while in winter it is around 3°C.


Sylt is home to a diverse range of flora and fauna, with several nature reserves protecting the island's unique ecosystem. The Wadden Sea National Park, which covers the western part of the island, is home to a variety of bird species, including sandpipers, dunlins, and curlews. The island's heathlands are also home to several rare plant species, such as heather and sea buckthorn.


The island has a rich cultural history, dating back to the early Viking settlements on the island. The Altfriesisches Haus Museum in Keitum showcases the island's cultural heritage, with exhibitions on traditional crafts, clothing, and customs. The island is also famous for its modern art scene, with several galleries and exhibitions showcasing contemporary works.


Sylt is one of the most popular tourist destinations in Germany, attracting millions of visitors each year. The island is known for its luxurious resorts, spas, and high-end shopping, as well as its vibrant nightlife. The summer months are the busiest time of the year, with visitors flocking to the island to enjoy the beaches, water sports, and cultural events. Sylt is also a popular destination for wellness tourism, with several spa resorts offering a range of treatments and therapies.


Sylt is connected to the mainland by a causeway, which can be accessed by car, train, or bus. The island also has its own airport, Sylt Airport, which offers regular flights to major cities in Germany and Europe. Once on the island, visitors can explore the island by bike, bus, or car, with several rental options available.