Dive Site: Nosy Fanihy

About Nosy Fanihy

Nosy Fanihy, a captivating island located near Nosy Be, Madagascar, is renowned for its exceptional underwater topography and abundant marine life. This site is particularly celebrated for its healthy coral ecosystems, featuring both soft and hard coral formations that house a myriad of species. The dive site typically explores depths ranging from 5 to 40 meters, making it accessible to a variety of skill levels while offering deeper sections for advanced divers. The surrounding waters provide excellent visibility for much of the year, although plankton blooms can occasionally reduce it, paradoxically attracting larger pelagic species. Marine enthusiasts can expect frequent sightings of sea turtles, diverse reef fish, and an array of colorful invertebrates. During specific seasons, the waters around Nosy Fanihy also become a prime location for spotting manta rays and the majestic whale sharks, enhancing its appeal as a top dive destination in the Indian Ocean. Diving here typically involves boat departures from Nosy Be, often as part of multi-day itineraries that explore the wider archipelago. The calm waters and rich biodiversity make it a rewarding experience for underwater photographers and those keen on immersive marine observations.

Dive site facts: Nosy Fanihy

Depth

5–40 m

Typical dive

15–30 m, 50–60 min

Current

Variable, mild to strong

Visibility

10–50 m

Water temperature

25–28°C

Entry

Tender boat

Level

All levels, AOWD for deeper sections

Dive type

Reef, pelagic encounters, macro

Night dive

Possible

Region / port

Nosy Be, Madagascar

Coordinates

-13.21, 48.2

Conditions & Currents

Currents around Nosy Fanihy can be variable, ranging from weak to strong depending on the specific dive site and tidal conditions. Divers should be prepared for potential drift diving scenarios, particularly at deeper or more exposed sections. Visibility typically ranges from 10 to 50 meters, but can decrease significantly during plankton blooms; however, these blooms often attract large pelagic species, offering unique encounters. Water temperatures are consistently warm, averaging around 28°C throughout the year, ensuring comfortable diving. Entry and exit are typically from a tender boat, requiring divers to be comfortable with negative entries in some conditions, especially when currents are stronger.

Marine life & sighting chances

Sea turtle

common

Manta ray

April-July, September-November · occasional

Whale shark

September-November · occasional

Barracuda

common

Leopard shark

occasional

Frogfish

occasional

Angelfish

common

Scorpionfish

occasional

Moray eel

common

Nudibranch

common

Octopus

common

Reef fish (various species)

common

Hard corals

common

Soft corals

common

Dive profile & how the dive runs

Dives at Nosy Fanihy typically begin with a tender drop close to the reef, allowing divers to descend onto the main coral formations. The route often follows a gentle slope or reef wall, exploring depths between 15 and 30 meters, with opportunities to reach 40 meters for experienced divers. You will generally navigate along the vibrant coral gardens, observing a multitude of reef fish and invertebrates. Mid-dive, the profile might involve exploring smaller caves or overhangs where larger species sometimes rest. The turn point is determined by air consumption or bottom time, with a gradual ascent along the reef. Safety stops are conducted at 5 meters, often utilizing the shallower, sunlit coral patches for decompression observation, before surfacing for tender pickup.

Underwater photography

Nosy Fanihy is a rewarding site for underwater photography, accommodating both wide-angle and macro setups. For wide-angle, focus on the expansive coral formations and the potential for pelagic encounters like whale sharks and manta rays; a dome port is highly recommended. Macro photographers will delight in the abundant nudibranchs, frogfish, and other small invertebrates hiding within the corals; a dedicated macro lens will capture these details effectively. Strong external strobes are essential to bring out the true colors of the corals and marine life, especially in deeper sections or during lower visibility periods. Practicing excellent buoyancy control is crucial here to avoid damaging the delicate reef structures and to position yourself for optimal shots in variable currents. Be mindful of marine life, maintaining a respectful distance and avoiding intrusive behavior for authentic and ethical photography.

Combine with nearby dive sites

• Nosy Tanikely Marine Reserve

  A protected marine park known for vibrant corals and diverse marine life.

• Nosy Komba Reef

  Offers rich marine biodiversity, often combined with lemur encounters topside.

• Nosy Iranja Drop-off

  A beautiful site featuring dramatic drop-offs and potential for pelagic sightings.

• Nosy Sakatia Island Reef

  Known for calm waters and abundant marine life, suitable for various dive levels.

• Mitsio Sharks Point

  Part of the Mitsio Archipelago, offering opportunities to see sharks and larger pelagics.

Getting there & logistics

Access to Nosy Fanihy typically begins with international flights into Ivato International Airport (TNR) in Antananarivo, Madagascar, followed by a domestic flight to Nosy Be's Fascene Airport (NOS). From Nosy Be, dive operators offer day trips or incorporate Nosy Fanihy into multi-day liveaboard or land-based dive packages. Trips often range from 5 to 8 days, combining various dive sites around the Nosy Be archipelago. There are no specific park fees mentioned for Nosy Fanihy itself, but some tours may include costs for nearby protected areas like Nosy Tanikely. Dive packages frequently include transfers from hotels, boat trips, and dive gear, offering a convenient way to explore the region's underwater wonders.

Safety & environment

While Nosy Fanihy offers generally safe diving conditions, divers should always carry appropriate insurance covering emergency evacuations and diving accidents. The nearest recompression chamber is likely to be a significant distance away, so immediate medical response and evacuation can be challenging. Divers must adhere to their dive computer limits and maintain sufficient gas reserves, especially when exploring deeper sections or in variable currents. Always dive with a reputable operator and follow your dive guide's instructions. Surface marker buoys (SMBs) are highly recommended for all dives for surface visibility and diver safety, particularly in areas with boat traffic or currents. Emergency communication devices and first aid supplies are standard on professional dive boats.

Who it suits — and who it doesn't

FAQ

Nosy Fanihy FAQ