Unterdeck is located in Wittdün, just 1.5 miles from Amrum Lighthouse and 2.8 miles from Amrum Windmill. Guests staying at this apartment have access to a terrace. Outdoor seating is also available at the apartment. The apartment includes 1 bedroom and a fully equipped kitchenette with a dishwasher and an oven. A TV is offered. The accommodation has a fireplace. Popular points of interest near Unterdeck include Kniepsand Beach, Wittdün ferry docks, and Wittdün yacht harbour.