Thila · Pinnacle · Channel · Drift · Swim-through · Overhang · Cave
HP Reef (Rainbow Reef)

About This Dive Site
HP Reef (Rainbow Reef)
Prepare for an exhilarating advanced diving experience at HP Reef, famously known as Rainbow Reef, located on the North Malé East Rim. This dive site is a protected Marine Protected Area (MPA) and truly lives up to its vibrant nickname, offering an explosion of color and life beneath the waves.
Dive Site Features and Topography
HP Reef is a stunning thila, or pinnacle, intricately sculpted into a narrow, current-swept pass. Divers will find a dramatic underwater landscape characterized by extensive overhangs, fascinating caves, and impressive coral blocks. The topography is further enhanced by a signature vertical chimney swim-through, which ascends to approximately 25 m.
Diving Conditions
We classify HP Reef as an advanced dive site due to the consistently strong currents that sweep through the channel. These currents, while challenging, are precisely what make this dive site so dynamic, bringing nutrient-rich waters that fuel the incredible coral growth and attract abundant marine life. A drift dive is the typical approach here, requiring solid buoyancy control and current management skills. The maximum depth divers can explore typically ranges from 7 m to 30 m, though some areas may extend to 35 m or even 40 m. The most vibrant coral and fish activity is often found in the upper and mid-depths. Water temperature at HP Reef is consistently warm, generally ranging from 25°C to 30°C. An Advanced Open Water certification is required to dive this site.
Marine Life Encounters
HP Reef is renowned as the "soft-coral capital" of the Maldives, where divers will be mesmerized by a blaze of blue, orange, and yellow soft corals, gorgonians, sea fans, and sea whips that carpet the reef walls and overhangs. The strong currents are a magnet for pelagic action. You can frequently encounter Grey Reef Sharks (Carcharhinus amblyrhynchos) and Whitetip Reef Sharks (Triaenodon obesus) patrolling the reef. Keep an eye out for majestic Spotted Eagle Rays (Aetobatus narinari) gliding gracefully by. Schools of Great Barracuda (Sphyraena barracuda), Dogtooth Tuna (Gymnosarda unicolor), Bluestripe Snapper (Lutjanus kasmira), and Yellowback Fusiliers (Caesio teres) are common sights. Divers may also spot the impressive Humphead Wrasse (Napoleon) (Cheilinus undulatus), and occasionally, the elusive Scalloped Hammerhead Shark (Sphyrna lewini). Other marine residents include jacks, trevallies, rainbow runners, moray eels, nudibranchs, octopuses, and turtles.
Hazards and Recommendations
Given the strong currents and the presence of overhead environments like caves and swim-throughs, we recommend this dive site for advanced divers with excellent buoyancy control. Divers should also be aware of potential boat traffic in the area. We advise diving with an experienced instructor or guide who is familiar with the local conditions and can manage the drift dive profile effectively.
Current Conditions
Typical current strength at this dive site
Strong
Powerful current. Advanced certification and drift dive experience required. Follow guide instructions.
Strength Scale
None
Mild
Moderate
Strong
Best Time to Visit
Monthly conditions and seasonal highlights — tap a month
Outside peak diving season. Conditions may be less predictable.
Marine Life
9 species recorded at this site

Grey Reef Shark
Carcharhinus amblyrhynchos

Whitetip Reef Shark
Triaenodon obesus

Spotted Eagle Ray
Aetobatus narinari

Great Barracuda
Sphyraena barracuda

Dogtooth Tuna
Gymnosarda unicolor
Bluestripe Snapper
Lutjanus kasmira
Yellowback Fusilier
Caesio teres

Humphead Wrasse (Napoleon)
Cheilinus undulatus

Scalloped Hammerhead Shark
Sphyrna lewini
Hazards & Safety
Be aware of these potential hazards at this dive site
Strong current
High>2 kn drift, reef hook essential
Current
HighStrong current on the exposed pass
Depth
MediumBase ~35 m
Overhead environment
MediumChimney swim-through, caves, overhangs
Boat traffic
MediumBusy MPA mooring
Certification Required
A minimum of Advanced Open Water certification is required to dive this site.
360° Underwater View
Immersive panoramic view of this dive site
360° panorama coming soon
Immersive underwater views will be available when panoramic imagery is uploaded
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AdvancedKandooma Thila
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AdvancedGuraidhoo Kandu
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Depth Profile
Vertical range at this site
Minimum Depth
16 ft
Shallowest point
Average Depth
59 ft
Typical dive depth
Maximum Depth
115 ft
Deepest point
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