Port Sud-Est – Rodrigues Island Dive Site
Site Overview
Port Sud-Est is a south-east drift dive dive site in the Rodrigues Island region of Mauritius, situated in the warm tropical waters of the Indian Ocean along one of the most beautiful reef-fringed islands on Earth. The site features depths from 5 to 22 meters with an average depth of 14 meters, offering an immersive underwater experience showcasing the extraordinary marine biodiversity of the Mascarene archipelago. Renowned for its vibrant coral reef ecosystems, Port Sud-Est attracts divers seeking encounters with Grey Reef Shark, Eagle Ray, Barracuda and other remarkable marine species throughout the year. The reef formations create diverse habitat zones supporting rich communities of reef-dwelling organisms and pelagic visitors that patrol the open water beyond the reef edge. The tropical Indian Ocean environment with warm water temperatures and generally excellent visibility creates ideal conditions for extended exploration and photography. Visibility typically ranges between fifteen and thirty meters during the optimal diving season. Water temperatures range from twenty-two to twenty-eight degrees Celsius depending on season. Port Sud-Est consistently ranks among the top dive sites in the Rodrigues Island region, drawing repeat visitors who return to observe the seasonal changes in marine life activity and the ever-evolving coral landscape that makes Mauritius a premier Indian Ocean diving destination.
Dive Briefing
"A typical dive at Port Sud-Est begins with a controlled descent from the dive boat to the main formation at approximately 14 meters, taking a moment to orient yourself and equalize before beginning your exploration. Once established on the main formation, divers should swim along the primary reef structure exploring diverse habitats, moving between coral bommies and channels while maintaining excellent buoyancy control to protect the fragile reef ecosystem below. The most productive depth zone is between 7 and 17 meters where the highest concentration of reef fish and photographic opportunities are abundant. Navigate along the reef edge watching for pelagic species in the blue, and check cleaning stations where larger fish pause for service from smaller cleaner wrasse. The Indian Ocean environment requires careful current awareness and constant monitoring of your position relative to the reef structure and boat. Monitor depth and NDL particularly near 22 meters, and always maintain a conservative approach to dive planning with regular buddy checks throughout the dive. Scan sandy channels between reef sections for resting sharks, rays, and interesting macro life hiding among the rubble. Conclude the dive with a slow ascent and a three-minute safety stop at 5 meters, deploying your DSMB if conditions warrant and performing a controlled ascent with your buddy."
Signature Marine Life
Grey Reef Shark
Carcharhinus amblyrhynchos
Best: May, June, July
Eagle Ray
Aetobatus narinari
Best: May, June, July
Barracuda
Sphyraena barracuda
Best: May, June, July
Parrotfish
Chlorurus spilurus
Best: May, June, July
Snapper
Lutjanus kasmira
Best: May, June, July
Safety & Hazards
- Strong currents possible at reef passes and outer reef sites requiring DSMB deployment
- Boat traffic in popular lagoon areas requiring surface awareness and DSMB use
- Marine life stings from lionfish, stonefish, and fire coral possible on reef contact
- Variable visibility during cyclone season from January to March due to sediment disturbance
- Depth exceeding 30m at wall and deep reef sites requiring careful NDL management
Traveler Notes
Who is this for?
Port Sud-Est is best suited for Advanced Open Water certified divers comfortable with moderate depths and potential current exposure in the Indian Ocean reef environment. The site rewards experienced divers with dramatic reef formations, diverse marine communities, and the possibility of encounters with larger pelagic species patrolling the open water beyond the reef edge. Underwater photographers will find outstanding wide-angle opportunities with reef walls and pinnacles as backdrops, while macro enthusiasts can spend hours documenting the extraordinary diversity of nudibranchs, shrimp, and small reef creatures. Divers should be comfortable with drift diving techniques and DSMB deployment as conditions may require current management skills.
Quick Stats
Dive Logistics
- Rodrigues Dive Centre
- Cotton Dive
- Île aux Cocos Divers
Photography Info
Best for: wide_angle, macro
Nearby Stay
Cotton Hotel
Port Mathurin • 5km away
Tekoma Boutik Hotel
Port Mathurin • 5km away