For more than 30 years, Emerald Spa Corporation has focused on a single goal — maximizing the spa ownership experience. Their pioneering designs, state-of-the-art engineering, highest quality construction, and customer-driven amenities have set the standard for performance and value in the industry since the company began manufacturing under the respected Polynesian Spa brand. In January 2007, Emerald Spa Corporation acquired Great Lakes Spas, another spa manufacturer with a long history of innovation and consumer-focused design. Headquartered in Kentwood, Michigan, Emerald Spa Corporation partners with a global network of select Emerald Spa and Great Lakes Spas dealers who also demonstrate excellence and strive to exceed expectations. Models shown: Chateau C230, Chateau C335, Chateau C540, Chateau C640, Estate E340, Estate E550, Estate E650, Estate E750, Estate E850, Manor M570, Manor M670, Manor M770, and Manor M870.