Sylt-ER is a holiday accommodation provider specializing in stays on the North Sea island of Sylt. Its collection includes around 200 holiday homes and apartments, with options in locations such as Wenningstedt, Westerland, Tinnum, Braderup and Kampen. Guests can browse properties by location, accommodation type and holiday preferences, including family breaks, stays with dogs, sea views, thatched-roof homes, wellness facilities, fireplaces and electric-car travel.

The website supports searching and booking, and highlights personal assistance on Sylt, contactless arrival and departure, and a best-price guarantee. Sylt-ER also features seasonal deals, special offers, last-minute stays and a monthly featured property. Guest services include information on frequently asked questions, seasonal dates, DTV star ratings and island travel tips. The company presents itself as a locally available resource for planning a Sylt holiday, with a listed contact number and a guest login. Its website reports 4,508 reviews with an average rating of 4.6 stars, offering prospective visitors an additional reference when choosing a place to stay.