12 Emerging Southeast Asian Islands That Belong on Your Must-Explore List

10. Cu Lao Cham, Vietnam

A stone’s throw from Hoi An, Cu Lao Cham comprises a small cluster of islands surrounded by waters so clean they’re recognized as a UNESCO Biosphere Reserve. Visitors come for coral-studded snorkeling, strolls through traditional fishing villages, and homestays that provide a personal window into island life. Strict protections help keep these islands healthy—motor vehicles are restricted, single-use plastics are banned, and most tourism flows to locally operated homestays and boat tours. Highlights include colorful temples, rugged forest trails, and sandy stretches that never get crowded. Warm, clear water invites year-round swims. Reach Cu Lao Cham by boat from Cua Dai port (just outside Hoi An), with day trips and overnight stays both possible. The best time to visit runs from March to September for the sunniest days and calmest seas. Cu Lao Cham’s unique blend of environmental stewardship and heartfelt hospitality makes for an experience that’s as meaningful as it is memorable.