
About this site
Christmas Island is the world's largest coral atoll, offering breathtaking diving with healthy hard coral reefs, dramatic drop-offs, and exceptional visibility. From November to April, whale sharks frequent the waters, while year-round encounters include mantas, eagle rays, and large schools of pelagic fish. The island's numerous caves and exceptional coral gardens make it one of the Pacific's most remarkable hidden gems.
Conditions
- Country
- Kiribati
- Region
- Line Islands
- Max depth
- 5–40 m
- Visibility
- 25–50 m
- Water temperature
- 26–29°C
- Difficulty
- Intermediate to Advanced
- Best season
- April to October (dry); November to April for whale sharks
- Type
- Cave
- Suitable for
- Scuba
- Dive types
- Cave
- Wall
- Reef
- Drift
- Marine life
- Whale sharks
- Hammerheads
- Sharks
- Mantas
- Rays
- Turtles
- Whales
- Dolphins
- Coral