Snorkeling in the Rip - Christmas Island
The Rip on Christmas Island isn't a deep dive, it's a surface spectacle. We love it because it’s where the island's unique geology really puts on a show, right at eye-level. You get these massive, ancient coral bommies, smoothed by millennia of surge, creating a kind of labyrinth. Sunlight filters through the gaps, illuminating schools of parrotfish and cardinalfish zipping between the shadows. It's an ideal spot for anyone who enjoys drifting and observing the intricate world just beneath the surface. We always find ourselves lingering around the bigger mushroom-shaped corals, watching the Spotted Groupers eye us from their ledges. The currents can get a bit frisky here, so pick a calmer day, ideally when the tide isn't ripping too hard. Keep an eye out for the Red-footed Boobies fishing overhead; they’re pretty fearless and will often dive right near you. It's not about big pelagics here, but about the sheer density and diversity of reef life in a dynamic, shallow environment – a genuine privilege to witness up close.
- Location
- Christmas Island, Australia, Australasia
- Coordinates
- -12.094775, 96.886850
- Type
- drift
- Difficulty
- beginner
Best Time to Dive in Christmas Island
The warmest water temperatures in Christmas Island occur in April, averaging 28.9°C. The coolest conditions are in October at 26.8°C.
Monthly Water Temperatures
- January: 28.3°C
- February: 28.6°C
- March: 28.7°C
- April: 28.9°C
- May: 28.8°C
- June: 28.2°C
- July: 27.7°C
- August: 27.2°C
- September: 26.9°C
- October: 26.8°C
- November: 26.8°C
- December: 27.5°C
Nearby Dive Sites in Christmas Island
- Muirfield reef (reef)
- Perpendicular Wall (wall)
- Turk Reef (reef)
Marine Life in Christmas Island
Home to 117 recorded species including 81 reef fish, 10 hard corals, 8 sea cucumbers, 7 sea snails & nudibranchs, 3 sharks & rays, 3 crabs & lobsters.
Notable Species
- Three-spot wrasse (Halichoeres trimaculatus) - Reef Fish
- Threadfin (Chaetodon auriga) - Reef Fish
- Lemon Peel (Centropyge flavissima) - Reef Fish
- Batavian Parrotfish (Scarus psittacus) - Reef Fish
- Black Surgeonfish (Acanthurus nigricans) - Reef Fish
- Blackspot Surgeonfish (Acanthurus nigrofuscus) - Reef Fish
- Argus Grouper (Cephalopholis argus) - Reef Fish
- Blue Surgeonfish (Acanthurus leucosternon) - Reef Fish
- Manini (Acanthurus triostegus) - Reef Fish
- Candelamoa Parrotfish (Hipposcarus harid) - Reef Fish
- Clown Butterflyfish (Chaetodon ornatissimus) - Reef Fish
- Chestnut Blenny (Cirripectes castaneus) - Reef Fish
- Maypole Butterflyfish (Chaetodon meyeri) - Reef Fish
- Sponsal Cone (Conus sponsalis) - Sea Snails & Nudibranchs
- Pufferfish (Arothron hispidus) - Reef Fish
- Humphead Unicornfish (Naso unicornis) - Reef Fish
- Silver-streaked rainbowfish (Stethojulis strigiventer) - Reef Fish
- Wrasse (Cheilinus trilobatus) - Reef Fish
- Blue-dashed Rockskipper (Blenniella periophthalmus) - Reef Fish
- Flea Cone (Conus pulicarius) - Sea Snails & Nudibranchs
Recommended Packing List for Snorkeling in the Rip
Based on average water temperature of 27.9°C, currents 16 cm/s.
- Shorty or Rashguard - warm 28°C water needs minimal exposure protection
- Mask - essential for every dive
- Fins
- BCD - buoyancy compensator
- Regulator - your most safety-critical piece of gear
- Dive Computer - tracks depth, time, and NDL
- Surface Marker Buoy (SMB) - essential for boat pickups
- Dive Torch - useful for crevices and colour at depth
- Underwater Camera - capture your diving memories