Ghizo Island South Wall - Gizo & Ghizo Island

40m Max

15-32m Vis

boat

Site Overview

Ghizo Island South Wall is one of the signature dive sites of Gizo & Ghizo Island in the Solomon Islands. The Ghizo Island South Wall is a vertical drop-off clad in large sea fans and black coral, swept by strong currents that summon tuna and grey reef sharks. The site reaches a maximum depth of about 40 m, with an average depth near 25 m, and its wall and drop-off topography is draped in rock and coral. Marine life is the headline attraction, with grey reef shark, dogtooth tuna, large sea fan, black coral, schooling jack, spotted eagle ray regularly recorded here, drawn in by the strong currents and the rich Coral Triangle productivity of the region. Visibility typically ranges from 15 to 32 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 wall and drop-off and intimate encounters with the smaller residents. Local operators run regular trips from Gizo, and the protected, low-tourism setting keeps coral cover dense and fish life abundant, making Ghizo Island South Wall 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 Ghizo Island South Wall 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 Gizo. Descending toward the wall and drop-off profile, divers are immediately surrounded by grey reef shark, dogtooth tuna, large sea fan, black coral, schooling jack, spotted eagle ray, with the reef and structure revealing more detail the closer you look. The maximum depth reaches about 40 m while the average sits near 25 m, so a dive computer and disciplined gas planning keep the profile safe and comfortable. Currents are described as strong, 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. The Ghizo South Wall is best dived on a strong current when the vertical drop-off, sea fans and black coral come alive with tuna and grey reef sharks. A negative entry and reef hook manage the drift, and a calm-weather window gives the best light. Water stays 27 to 30°C, and a 5 mm wetsuit suits the depth. Ascend on a DSMB."