Achtern is set in Westerland (Sylt), 400 metres from Westerland Beach, 400 metres from Waterpark Sylter Welle, and 1.1 km from Westerland Main Station. The property is around 1.3 km from Sylt Aquarium, 19 km from Harbour Hörnum and 3.7 km from Zoo Tinnum. There is a terrace and guests can make use of free WiFi, free private parking and an electric vehicle charging station. The apartment features 1 bedroom, a TV, a fully equipped kitchen with a dishwasher and an oven, a washing machine, and 1 bathroom with a bath. Guests can take in the ambience of the surroundings from an outdoor dining area. The accommodation is non-smoking. Sylt, Golf-Club is 5.1 km from the apartment, while Sylter Heimatmuseum is 5.4 km away. Sylt Airport is 2 km from the property.