Exceeding the expectations of corporate, group and leisure travelers is the hallmark of Diamond Hotels’ guest-focused approac ... h to hospitality. Our hotels, AquaTerra Restaurant and food and beverage divisions offer leading meeting, conference and event spaces, award-winning dining and state-of-the-art recreation facilities. All this combined with warm, professional service ensures a memorable guest experience. Located in Kingston, Diamond Hotels Management Inc. owns and operates hotels and restaurants in Kingston and Sault Ste Marie, Ontario. Our brands include the Delta Hotels by Marriott Kingston Waterfront, AquaTerra at the Delta, Holiday Inn Express & Suites Kingston, Holiday Inn Express Sault Ste Marie and Ramada by Wyndham Kingston Hotel & Conference Centre. read more