Featuring free WiFi, a restaurant and a sun terrace, Hotel Siebzehn80 offers pet-friendly accommodation in Carolinensiel. Guests can enjoy the on-site restaurant. Rooms have a flat-screen TV. Some rooms include a seating area to relax in after a busy day. A terrace or balcony are featured in certain rooms. All rooms are equipped with a private bathroom equipped with a shower. Extras include free toiletries and a hairdryer. There is a cash machine at the property. The hotel also offers bike hire and car hire.