Welcome! Underwater Pool Masters, Inc. is a full-service swimming pool company located in Central Massachusetts. Our expert staff is fully prepared to prevent, diagnose, or solve any problem with your residential or commercial swimming pool. In addition to swimming pool Openings, Closings, and Maintenance Programs, we offer renovations for all types of swimming pools, large and small, including expert leak detection and repair (underwater and underground), resurfacing options (liners, plaster, fiberglass and pool coatings (paint), and onsite consultations. Our APSP Certified Service Professionals provide "Pool Scene Investigation" (inspections) for new home buyers with pools and for insurance adjustment claims.