Konstanz hotel in Altstadt Konstanz with 2 restaurants and full-service spa Along with 2 restaurants, this smoke-free hotel has a full-service spa and a fitness center. WiFi in public areas is free. Additionally, a bar/lounge, a snack bar/deli, and a sauna are onsite. Steigenberger Inselhotel offers 102 accommodations with minibars and safes. Flat-screen televisions come with cable channels. Bathrooms include bathtubs or showers, bathrobes, slippers, and hair dryers. This Konstanz hotel provides complimentary wireless Internet access. Business-friendly amenities include desks, complimentary weekday newspapers, and phones. Hypo-allergenic bedding and irons/ironing boards can be requested. A nightly turndown service is provided and housekeeping is offered daily. Recreational amenities at the hotel include a sauna and a fitness center. The recreational activities listed below are available either on site or nearby; fees may apply.