Kingston Inground Pools | Hot Tubs | Swim Spas | Patio Furniture SWIM ALL YEARSwim year round in your new Hydropool Swim Spa.EXPLORE SWIM SPASHOT TUBS ARE BACK IN STOCKVIEW MODELS.YOUR BACKYARD OASIS AWAITSSTART YOUR JOURNEYSWEAT IT OUTNew barrel, prefab kits, and St. Lawrence Pools is a Kingston inground pool builder that also provides hot tubs, swim spas, patio furniture, service and much more to Belleville, Brockville, Cornwall and surrounding areas.