Crystal-clear waters surrounding a pristine coral reef make Ko Khai one of Phang Nga Bay’s premier snorkeling destinations. This small uninhabited island sits between Ko Yao Noi and Ko Yao Yai, offering visitors an untouched marine sanctuary where vibrant coral gardens thrive just meters from the shoreline. The island’s compact size means you can easily explore its entire perimeter in a single visit, making it perfect for those seeking an intimate encounter with Thailand’s underwater world.
Stepping onto Ko Khai’s powdery white sand beach, you’ll immediately notice the remarkably shallow, turquoise lagoon that surrounds the island. The coral reef begins almost at the water’s edge, where schools of tropical fish dart between brain corals and sea fans. Snorkeling here reveals angelfish, parrotfish, and butterflyfish gliding through the crystal-clear water, while the gentle lapping of waves provides a soothing soundtrack. Small caves and rock formations along the coastline create natural swimming pools, perfect for floating while observing the marine life below. The island’s minimal vegetation consists mainly of hardy shrubs and palm trees that provide welcome shade during midday exploration.
Ko Khai exudes a sense of peaceful isolation that feels worlds away from Thailand’s busier tourist destinations. The absence of commercial development means you’ll experience the island much as nature intended, with only the sounds of gentle waves and tropical birds breaking the silence. This tranquil atmosphere makes it an ideal spot for meditation, quiet contemplation, or simply disconnecting from daily stress while surrounded by pristine natural beauty.
Day trips to Ko Khai typically depart from Ao Po Marina or Bang Rong Pier via speedboat or longtail boat, with journey times ranging from 30-45 minutes depending on your departure point. The island offers no accommodation or facilities, so bring plenty of water, snacks, and reef-safe sunscreen for your visit. Early morning or late afternoon trips provide the best lighting for photography and more comfortable temperatures. Since there’s no shade on the main beach, consider bringing an umbrella or tent for extended stays.
Location
Find a Place to Stay
More Phang Nga Attractions
