Laugardalslaug is a popular swimming and sports complex in Reykjavík, Iceland, known for its Olympic-sized pool, hot tubs, thermal pools, and other facilities like a gym and mini golf course. It's a great spot for locals and visitors to relax and have fun. The complex is located in Laugardalur park, where you can also find the Family Park and Zoo. Don't forget to bring your swimsuit and towel.