Ulawa Atoll - Makira & Ulawa (Southern Province)
Site Overview
Ulawa Atoll is one of the signature dive sites of Makira & Ulawa (Southern Province) in the Solomon Islands. Ulawa Atoll is a pristine, untouched coral atoll with clear water, manta rays, turtles and massive schools of parrotfish inside a classic lagoon. The site reaches a maximum depth of about 30 m, with an average depth near 18 m, and its lagoon and reef topography is draped in coral and sand. Marine life is the headline attraction, with reef manta ray, green turtle, massive parrotfish, grey reef shark, soft coral, giant clam regularly recorded here, drawn in by the moderate currents and the rich Coral Triangle productivity of the region. Visibility typically ranges from 20 to 42 m, while water temperatures hold a consistent 27 to 30°C year-round, comfortable in a 3 to 5 mm wetsuit. Conditions suit advanced divers, and with the right guide the site delivers both the drama of its lagoon and reef and intimate encounters with the smaller residents. Local operators run regular trips from Kirakira, and the protected, low-tourism setting keeps coral cover dense and fish life abundant, making Ulawa Atoll a genuine standout on any Solomon Islands itinerary. Divers who time their visit to the calm season will find the most predictable conditions, though the site rewards repeat visits across the year.
Dive Briefing
"The dive at Ulawa Atoll begins with a thorough operator briefing covering the site layout, expected marine life and emergency procedures, followed by a controlled entry and a short transfer from Kirakira. Descending toward the lagoon and reef profile, divers are immediately surrounded by reef manta ray, green turtle, massive parrotfish, grey reef shark, soft coral, giant clam, with the reef and structure revealing more detail the closer you look. The maximum depth reaches about 30 m while the average sits near 18 m, so a dive computer and disciplined gas planning keep the profile safe and comfortable. Currents are described as moderate, and the guide chooses the entry time to make the most of slack or mild flow, using a reef hook or DSMB when needed. Neutral buoyancy protects the fragile coral and the group stays close to manage depth and any surge. The safety stop is completed in open water on a DSMB, and the boat follows the bubbles to collect divers at the exit point for a relaxed return to base. Ulawa Atoll is best dived from a liveaboard on a calm-weather window, when the untouched coral, clear lagoon water and manta rays, turtles and massive parrotfish schools are at their best. A relaxed profile from 5 to 30 m lets you enjoy the coral cover, and a slack current keeps the visibility clear. Water stays 27 to 30°C, and a 5 mm wetsuit is ample. Ascend on a DSMB."
Signature Marine Life
reef manta ray
Mobula alfredi
Best: January, February, March
green turtle
Chelonia mydas
Best: January, February, March
massive parrotfish
Scaridae
Best: January, February, March
grey reef shark
Carcharhinus amblyrhynchos
Best: January, February, March
soft coral
Alcyonacea
Best: January, February, March
giant clam
Tridacna gigas
Best: January, February, March
Safety & Hazards
- Remote atoll with few operators
- Moderate currents on the reef
- Depth to 30 m with blue-water drift
- Sharp coral and boat traffic
- Silting from fin kicks
- Sun exposure on the surface
Traveler Notes
Who is this for?
Ulawa Atoll is best suited to advanced divers who want a memorable Makira & Ulawa (Southern Province) experience shaped by its lagoon and reef. It is a remote reef-and-manta dive for advanced divers who want untouched coral and big fish biomass far from tourism. The key considerations are Remote untouched atoll, Moderate currents on the reef, Few operators and long evacuation, Liveaboard positioning only, so good buoyancy and planning are important. Wide-angle photographers will enjoy the reef scale and passing pelagics, while macro enthusiasts find plenty of small life among the coral and structure. It is a rewarding choice for travellers who appreciate healthy, protected reefs and a mix of calm and exhilarating conditions, and with the right guidance the site delivers a genuine sense of the remote Pacific that keeps divers returning to the Solomon Islands.
For Non-Divers
Ulawa village, Southern Province culture, Beachcombing
Quick Stats
Dive Logistics
- Southern Province Liveaboard
- Kirakira Guesthouse
Photography Info
Best for: wide_angle, macro
Nearby Stay
Southern Province Liveaboard
Honiara staging • 400km away
Kirakira Guesthouse
Kirakira, Makira • 400km away