KOH SAMUI, THAILAND—Interval International, a provider of vacation services, has added as an affiliate the Royal Nirvana Private Residence Club at Koh Samui Country Club here on Thailand’s east coast. Conceived by Thai developer Royal Nirvana Resorts, Koh Samui Country Club is a mixed-use resort built around a central club house that provides facilities for sports, fine dining, and houses a modern spa and wellness center. The resort consists of luxury hotel apartments and villa residences. The vacation-ownership program consists of 30 units comprised of five studios, five one- and 20 two-bedroom apartments. The first units, sales offices and reception area are already open, with the balance of the units due to be completed early next year. Koh Samui Country Club is located in the Maenam hills and has views over the Gulf of Thailand to the neighboring island of Koh Pha Ngan. Royal Nirvana is a developer of hotels, residences and resorts. Headed by British real estate developer and investor CEO Tim Dean-Smith, the company’s first projects are here on Koh Samui. The company is privately held, and is backed by private investors from Europe.