Legal humpback swims compared

Humpback whale swimming close with long pectoral fin. Photo: Chinh Le Duc, Unsplash

Where can you legally swim with humpback whales? In the sources I could read, a licensed in-water swim exists in French Polynesia, Tonga, Silver Bank and Niue. Mexico does not allow swimming with whales. In Hawaiʻi, a federal 100-yard rule applies to swimmers too. That is the short answer. The details below matter more than the headline.

A humpback swim is not one product. It is a local decision, written (or not written) into the law of one coast. This is the honest split Ocean Calling uses in 2026 before we say yes to anything. It is not a permit, and it is not a promise that you will get in the water.

How to read this legal humpback swim comparison

Please read this page with two limits in mind. First, I could not open the official legal texts for most of these places. Many details come from tourism boards, scientific bodies and operators, and they sometimes disagree. Where they disagree, I say so. Second, rules change. Every number here is a starting point for your own check, so always check the current rule before you travel.

French Polynesia

Swimming with humpbacks in French Polynesia needs an authorised operator. The rules sit in the French Polynesia Environment Code, articles A. 2213-1-4 to A. 2213-1-11, and the Direction de l'environnement (DIREN) explains them in its 2025 leaflet. Nobody may enter a 15-metre zone around the animal, and no boat may enter 100 metres. Inside a 300-metre observation zone, only authorised boats may enter, no more than three at a time, at less than 3 knots. Getting in the water must be requested in the authorisation file, and it is limited to 7 people per boat, the guide included.

Observation permits are only possible from 20 July to 20 November, from 7:30 to 17:30, in the territorial sea around Bora Bora, Huahine, Moʻorea, Raiatea, Rurutu, Tahaa, Tahiti, Tetiaroa and Tubuai. Whale watching is strictly forbidden in lagoons, bays and passes. The leaflet also asks people to keep an observation to 15 minutes, or less with newborn calves.

The leaflet gives no separate distance for mothers and calves. It asks boats never to come between a mother and her calf, and not to approach calves that are alone. One marine tourism researcher, quoted in the press, considers the 15-metre limit dangerous because of the power of a whale's tail. I think that is worth hearing. Our article on what the environment directorate actually allows goes further, and remember: a passing yacht is never an authorised operator.

Tonga

Tonga has a licensed swim industry in season. Operator and diving-safety sources say that only licensed boats may approach a whale within 300 metres, and only licensed providers may put swimmers in the water. They describe a maximum of four guests plus one guide in the water, a minimum distance of 5 metres, snorkelling only (no scuba), and an encounter of up to 90 minutes before a one-hour break. They also describe a limit of one and a half hours with a mother and calf, unless the operator has a special interaction permit.

The sources I found do not agree on how many boats may be near one pod, and none of them was an official Tonga text. A Tongan licence belongs to Tonga and does not travel with you. See also our guide to Tonga humpback whale swimming rules.

Silver Bank, Dominican Republic

Silver Bank is a marine mammal sanctuary, created in 1986 and made bigger in 1996. It works with a small number of permitted boats, in a shared-ship model where guests live on board. The IWC whale-watching handbook lists three permits, while operator sites say three or four, so I cannot tell you which number is current. The handbook also describes Ministry of Environment Resolution 0030-2017: 50 metres from adult whales, 80 metres from a group with a calf, and 250 metres for boats waiting. In-water time is snorkelling only, and operators say the whales should come to the swimmer, not the other way around. Ocean Calling does not put a private boat there. Read more in our Silver Bank guide.

Niue

Niue is a small Pacific island where tourism pages describe swims with licensed operators only. They say boats slow down within 200 metres and keep about 50 metres away, and guides ask swimmers to stay roughly 20 metres from the whales. Time is given as up to 30 minutes with adults and up to five minutes with a mother and calf, and swimmers may not enter the water with a calf that is too young. I did not find the official text behind these details, so I treat them as local practice. For that reason, we do not treat this code as a swim ticket, and we are still reading the file with care.

Mexico: why we do not offer a whale swim

Mexico's standard NOM-131 frames whale watching from boats. Secondary sources agree that swimming with whales is prohibited. They describe minimum boat distances of 60 metres for small boats and 80 metres for larger ones, and a maximum of four boats around one whale. They also report that enforcement is uneven in some places, and that in-water tours with orcas have grown in a legal grey area. I could not read the official text, but the direction is clear enough. In Mexican waters, Ocean Calling does not offer a whale swim. Our article on Mexico's whale swimming law explains more.

Can you swim with humpbacks in Hawaiʻi?

No, not closer than 100 yards. This is the rule I could verify. Under 50 CFR 216.19, which rests on the Marine Mammal Protection Act, it is prohibited to approach a humpback whale within 100 yards by any means, within 200 nautical miles of the Hawaiian Islands. NOAA says the rule applies to people in the water as well as to boats, paddleboards, kayaks and drones, with listed exceptions such as permitted research. Wild swims there are not a holiday we sell. See our note on Hawaiʻi's 100 yards and swimmers. I did not verify rules for other US states, so I will not generalise.

A licence is where the ethics start, not where they end

A legal swim is not automatically a good swim. A rule can allow a close approach and still leave a mother and calf with little rest in a busy season. The scientific question of how much disturbance is too much is still open. That is why we look beyond the paper: how many boats, how long a calf is approached, whether the operator calls swimmers back, and whether the crew can say no on a bad day.

It is also why we are honest about travel itself. Long flights to a remote coast have a real carbon cost, so we would rather see one carefully chosen trip than several rushed ones.

You choose the legal shape that exists on that coast, or you watch from the boat. You do not copy a Polynesian morning onto a Hawaiian one. If a swim does exist and you choose it, a well-fitting low-volume mask and snorkel and a rash guard are the simple kit that helps you stay calm and still. A calm swimmer is a safer swimmer.

Wildlife encounters are unpredictable. Swimming near humpback whales should always follow local regulations and experienced professional guidance.

We will keep this page next to the Atlas, and when a law moves, the page should move too. If you would like to meet the ocean with us, you can explore our small-group retreats, always six guests or fewer, with unhurried days and the freedom to skip any activity.

Questions people ask

Which of these can I book with Ocean Calling?

Only what we have checked for ethics and operators. Today the one place on this list where we host a retreat is Moʻorea, in French Polynesia, in September 2027. A legal framework alone is not a seat on our boat.

Why is Mexico in a swim comparison if you will not swim there?

Because adverts still mix the files. Naming the rule is how we refuse the mix. Secondary sources agree that swimming with whales is prohibited under Mexico's whale-watching standard.

Is the 100-yard rule only for boats?

No. In Hawaiʻi, NOAA says the 100-yard approach limit under 50 CFR 216.19 also applies to people in the water, with some exceptions such as permitted activities.

Are the distances in this article official?

Some are, some are not. The Hawaiʻi rule comes from NOAA, the French Polynesia rules from the DIREN leaflet, and the Silver Bank resolution from the IWC handbook. Others come from operators and tourism sites that disagree with each other. Please check the current rule before you travel.

Is a legal swim always a good swim?

No. Legal means allowed. Good also means few boats, short time with calves, a guide who calls people back, and the freedom to skip the swim on a bad day.

Is this legal advice?

No. It is how we decide what to offer. Read the current official notice for the coast you will visit.

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.

Sources & further reading

Further reading on Ocean Calling: Ocean Atlas · What DIREN actually allows · Sperm whales are not humpbacks · Tonga humpback whale swimming rules · Silver Bank humpback whales

Legal Humpback Swims Compared: What the Rules Say