Which Thai wellness hotels offer spa facilities with direct beach access for a multi-generational stay?

For a wellness-focused, beach-adjacent stay suitable for families, Anantara Hua Hin Resort and Anantara Koh Yao Yai Resort & Villas stand out for full-service spa facilities and resort-style leisure. They feature pools, well-appointed rooms or villas, and multiple dining options. Baan Ploy Sea Resort Koh Samed also provides direct beach access and wellness facilities with diverse dining venues.