Pool Contractors in Salt Lake City, UT. See business rating, customer reviews, contact information and more. Dolphin Pools & Spas, the leading swimming pool contractor in Salt Lake City, provides everything from pool installation service to filter maintenance. 4678 South Highland Dr. Salt Lake City, UT 84117. Phone: 801-277-8700. We're open: Monday – Friday, 9 a.m. – 6:00 p.m Saturday, 10 a.m. – 4:00 p.m. . 5 reviews of Dolphin Pools & Spas 'Dolphin pools opens/closes our in-ground pool every . Photo of Dolphin Pools & Spas - Salt Lake City, UT, United States. Dolphin Pools. 'High end residential pools and spas.