This dive site, Koh Mat Wai Noi, is a charming small island located within the Mud Wai Islands, situated not far from Koh Mud Wai Yai and Kula Island in Thailand. Easily accessible from Thong Tom Yai homestay and its community dive center, this shallow reef is characterized by its gentle topography, making navigation straightforward. There is no specific historical information provided, but it serves as a local gem for calm and relaxed diving.
Divers and snorkelers can expect to encounter a vibrant array of marine life including various species of gourami, goby, colorful butterfly fish, and majestic angelfish. The site is also home to larger reef fish such as snapper and grouper. Critter enthusiasts will delight in finding sea slugs, cuttlefish, squid, and octopus, while sea turtles are also frequent visitors, adding to the site's appeal.
The best time to visit Koh Mat Wai Noi is generally during Thailand's dry season, typically from November to April, when calm seas and excellent visibility are common. Its shallow depths make it an ideal location for beginner divers to gain confidence and for underwater photographers focusing on macro subjects. Freedivers will also find the site suitable for exploring the diverse shallow reef system.

