Inhambane Province dive sites

Tofo Beach and its associated sites like Manta Reef (Tofo) are located approximately 25 kilometres southeast of Inhambane town and are the area's most famous diving. The Inhambane Manta Reef described here sits south of the town in a different direction, accessed from a separate launch site. The reef structure is shallower and more compact than the Tofo sites, with a different set of cleaning stations that host a partially overlapping but distinct population of individual mantas. Researchers have identified mantas that frequent this site but are rarely seen at Tofo, suggesting localised habitat preferences within the broader Inhambane manta population.

Manta rays are present at Inhambane Manta Reef throughout the year, but the highest frequency of sightings occurs between May and October during the cooler water season. During this period, the mantas spend more time at cleaning stations and are less dispersed across the wider reef system. June through August typically offers the most reliable encounters, with multiple mantas often present at the cleaning stations simultaneously. December through March sees warmer water and increased plankton, which can draw mantas away from the reef to feed in open water, making sightings less predictable.

Intermediate certification and comfort with open water conditions are recommended. The reef sits at 12 to 22 metres and is reached by a rubber duck launch through surf, which can be physically demanding. Once on the reef, the diving is not technically difficult, but good buoyancy control is essential for manta encounters. Mantas are sensitive to diver behaviour, and maintaining a low, stationary position on the reef without disturbing the bottom is crucial. Divers who are unable to control their buoyancy or who chase mantas will disrupt the animals and spoil the encounter for the group.

Whale sharks can be spotted year-round at Tofo Beach, but the highest concentrations occur between October and March when plankton blooms peak in the warm Mozambican current. During these months, ocean scan boats regularly spot multiple individuals in a single outing. The shoulder months of September and April still offer good chances, while winter months from June to August see fewer sightings but calmer seas and better underwater visibility.

Most operators run ocean safari boats that scan the surface for whale sharks, then drop snorkellers or freedivers into the water ahead of the animal's path. Scuba encounters are less common since whale sharks tend to cruise near the surface, but they do sometimes descend to cleaning stations on nearby reefs. Strict codes of conduct limit group sizes and prohibit touching the animals. Encounters are drift-based, and a reasonable level of swimming fitness is recommended.