Manta Rays in the Maldives: Hanifaru Bay Rules and Season

Picture a small bay in Baa Atoll on a day when the water is thick with plankton. Manta rays turn in slow loops, mouths wide open, one behind the other. It is one of the most famous wildlife scenes in the Maldives, and it is easy to see why people ask us if they can come and swim in it.

The short answer: Hanifaru Bay is a protected, managed place. Access runs through licensed operators and guides, scuba diving is not allowed in the bay, and the exact limits quoted online do not agree with each other. We do not run a Hanifaru trip, and we will not repeat numbers we could not verify.

Why do mantas gather in one small bay?

Hanifaru lies in Baa Atoll, which joined the UNESCO Biosphere Reserve network in 2011, and the bay itself is a Marine Protected Area. The gatherings happen during the southwest monsoon, which sources place roughly between May and November or December. Material from the Manta Trust describes strong lunar tides pushing against the monsoon currents and drawing plankton-rich water into shallow channels, where the shape of the bay is said to create a back eddy that holds the food in place.

I need to be careful here. A research paper hosted by the University of Plymouth says the ocean processes that concentrate food in the bay are still a hypothesis, not proven. So the plankton story is the best current explanation, not a closed case. The peak is also described differently by different sources, from late June to October in one hotel-industry piece to July to September in a travel guide. Mantas follow food, not calendars, so a season is a tendency, never a promise.

What the rules are, and where sources disagree

A 2016 factsheet from the Convention on Migratory Species, a UN treaty, says the Hanifaru rules limit the number of visitors, set a maximum time in the bay, and ban scuba diving and fishing. Visitors snorkel, each group must be led by a certified Hanifaru guide who has passed an exam with the Environmental Protection Agency, and rangers have patrolled the bay almost every day since 2015. Diving continues in other parts of Baa Atoll. The usual conduct rules reported are simple: no touching the animals, no flash photography, and no invasive swimming that disturbs marine life. Access goes through licensed operators, and liveaboards or resorts often arrange the permit for you.

The numbers are where it gets messy. The 2016 CMS factsheet gives a limit of 5 boats and 80 tourists in the bay at one time, and a fee of 20 US dollars per visitor. Newer commercial guides give quite different figures. I searched for the official regulation text and could not find it, so I do not repeat those newer numbers here. So please check the current rule with the Maldives Environmental Protection Agency or a licensed operator before you travel.

The law behind it

In June 2014 the Maldivian government gazetted a notice declaring manta rays, skates and all other rays in Maldivian waters protected under Article 4 of the Environmental Protection and Preservation Act (Act No. 4/93). Catching, trading or harming rays became a violation, punishable under the Environment Liability regulation. Save Our Seas reported that there was no established manta fishery in the Maldives, so the law was mostly preventive.

The local group Ecocare welcomed the protection but warned that a regulation alone is not enough without a way to enforce it. They pointed to turtles and sharks, protected on paper and still hunted. It is a fair reminder that a protected status and a protected animal are not always the same thing. The Manta Trust, which founded the Maldivian Manta Ray Project, also helped create a management plan for the Hanifaru Marine Protected Area and published a Best Practice Code of Conduct for interacting with mantas in 2014.

The conservation layer: popularity is the pressure

When a wildlife scene becomes famous, the bay can fill with boats. News reports from the Maldives have long warned about tourism overwhelming the mantas and whale sharks at Hanifaru, and about proposals such as banning speedboats and certifying guides and boat captains. The CMS factsheet confirms that guides now need a Hanifaru certificate. I could not confirm whether a speedboat ban was ever adopted. What I can say is that the very things that make Hanifaru magical, a small bay and a short season, also make it easy to overcrowd.

That is why a plankton-feeding animal needs room. When boats and swimmers press in, the mantas have less space to feed and to leave. A good visit has few people, a guide who keeps everyone slow and level in the water, and a willingness to leave when it gets crowded. Wildlife encounters are unpredictable. Snorkelling with manta rays should always follow local regulations and experienced professional guidance.

What we will not do

We will not sell a Hanifaru trip on the strength of someone else’s marketing, promise huge groups of mantas, or use swim-with-whales language anywhere in the Maldives. Where the rules or the evidence are unclear, we do not sell an encounter, and for Hanifaru and the nearby manta sites we have not finished our own destination file. Honest is better than impressive.

Travel to the Maldives also has a real footprint, mostly from the long flights, so if you go, I would choose fewer places and a longer stay. A roll-top dry bag and a long-sleeved rash guard are handy for boat days with strong sun and spray, and neither one touches the animals.

How to use this page

Rules change, so treat this page as a map of what is known and what is not. Whoever you travel with, two questions always help. Who holds the permit, and may I see it? Can the group size be limited, and will the guide leave if the bay is crowded? For other ways to see mantas responsibly, read our guides to Hanifaru as a snorkel-only bay, the best places to see manta rays responsibly and oceanic mantas at Fuvahmulah.

If this made you curious about meeting the ocean this way, you can explore our upcoming retreats.

Questions people ask

Wildlife encounters are never guaranteed and never forced. Ocean Calling works only with vetted, ethical local operators, and every animal is free to approach, or not, entirely on its own terms.