Jina Pass – Mafia Island Dive Site

Site Overview

Jina Pass is a channel dive with a manta cleaning station where reef mantas visit regularly, complemented by reef sharks and diverse coral formations in the Mafia channel system dive site in the Mafia Island region of Tanzania, situated among the diverse reef systems and marine habitats that make this East African nation one of the Indian Ocean's most rewarding diving destinations. The site features depths from 8 to 25 meters with an average depth of 15 meters, offering an extraordinary underwater experience showcasing the exceptional coral health and rich biodiversity that Tanzania's coastal waters are celebrated for among experienced divers worldwide. Renowned for its encounters with Reef Manta Ray, Grey Reef Shark, Soft Coral and other remarkable marine species, Jina Pass attracts divers seeking thrilling underwater adventures in one of the Indian Ocean's premier diving destinations. The Tanzanian coast creates a stunning underwater landscape of coral walls, channels, lagoons, mangrove-fringed islands, and seasonal pelagic aggregations that provide habitat for incredibly diverse marine communities. The Indian Ocean's warm currents and Tanzania's extensive marine protected areas support thriving populations of reef fish, sea turtles, manta rays, and seasonal whale sharks found in few other destinations. Visibility typically ranges between 15 and 35 metres with excellent conditions during the dry season from June to February. Water temperatures range from 24 to 30 degrees Celsius depending on season making a 3mm shorty or full wetsuit standard equipment. Jina Pass consistently ranks among the top dive sites in the Mafia Island region, drawing dedicated divers who seek exceptional diving experiences combining dramatic underwater landscapes, extraordinary wildlife encounters, and the warm hospitality of coastal Tanzania.