Miðgarður Spa, located at Miðgarður by Center Hotels, is open all year and offers a relaxing place to unwind in the center of Reykjavik. One of its best features is the outdoor hot tub, where you can enjoy the fresh air and maybe even see the Northern Lights.The spa also has an indoor hot pool, sauna, cold water shower, and different types of massage treatments. There’s also a small gym with cardio machines and weights. The spa is great for both individuals and groups. It’s the perfect place to relax during your stay in the city.