GymNation Reem Island is a 24/7 budget gym on the top floor of Shams Boutik on Al Reem Island, with group classes and a ladies-only area. GymNation says its Abu Dhabi branches include ice bath and sauna recovery zones that members use at no extra cost. Memberships start at AED 209 a month, and a free day pass is offered to newcomers. There is no swimming pool.