Swimming with whales in Mexico: what the law allows

This is one of the questions we hear most, often with a link to an advert attached. So here is what we found when we checked the rules, what we could not confirm, and where Ocean Calling stands.

Is it legal to swim with whales in Mexico?

No, not as a tourism activity. Mexico regulates whale tourism through an official standard, NOM-131-SEMARNAT-2010. It sets out how boats may watch whales: who may do it, how close, how fast and for how long. An operator needs an authorisation from SEMARNAT, the federal environment ministry, to run whale-watching trips. PROFEPA, the environmental enforcement agency, checks on the water that boats respect the speed, time and distance limits.

The list of what is not allowed is quite clear. In a 2016 notice reported by Mexican media, PROFEPA listed among the prohibited activities: harassing or harming whales in any way, blocking their path, splitting up a group, putting the boat between a mother and her calf, and fishing, diving, swimming, water-skiing or parasailing during the activity. So swimming is not a grey zone that depends on the operator. It is on the list of things the activity excludes.

Mexican media summarising the standard also report that a small boat should stay 60 metres or more from a humpback or gray whale. We could not read the full official text during our research, so please treat that number as a summary and check the current rule before you travel.

Gray whales, humpbacks and the lagoons of Baja

The most famous whale meetings in Mexico happen in the gray whale lagoons on the Pacific side of Baja California Sur. Laguna Ojo de Liebre and Laguna San Ignacio are listed by UNESCO as a World Heritage site because they are such important breeding and calving areas, and San Ignacio sits inside the El Vizcaíno Biosphere Reserve. Further south, Magdalena Bay is the other well-known place, reached from small towns like Puerto López Mateos and Puerto Chale.

Local reporting, citing a Mexican marine mammal research group, gives the official season as 15 December to 30 April in San Ignacio and Ojo de Liebre, and 1 January to 30 April in Magdalena Bay. Season dates can be adjusted, so this is another thing to confirm for your year.

In the lagoons, the boat is the whole experience, and the whales decide whether to come close. Humpbacks along the coasts of Los Cabos, Acapulco or Oaxaca, and the sperm whales sometimes seen in deeper water, fall under the same national standard: watching, not swimming. The same goes for the Revillagigedo islands (Socorro), a national park divers know well. A whale swim there is not more lawful than anywhere else in the country.

The La Ventana orca pilot, and why it ended

Orcas were the one exception people talked about. In 2025, SEMARNAT approved a Plan de Manejo Tipo, a model management plan, that allowed sightings and a controlled orca swim near La Ventana, in the municipality of La Paz. According to Mexican press coverage, it covered a marine and land area of more than 110,000 hectares and ran from 1 August 2025 to 31 July 2026.

The rules were tight. Only providers approved by the federal wildlife authority could offer it, with a daily limit of 24 boats, at most two boats per group of orcas, and no more than 30 minutes. Reports also said swimming was only allowed in specific behaviour states, such as when the orcas were socialising or feeding. Before it even started, some local captains protested the limits and said permitting was unclear.

That window closed on 31 July 2026. Reporting from August 2026 describes Mexico moving orca tourism towards stricter regional frameworks, and in-water orca activity is not offered under the old pilot. We could not find an official SEMARNAT notice about what comes next, so we treat it honestly as an open question. Operator pages that still describe the pilot rules are describing something that is no longer in force. Local press in Baja California Sur has also reported political debate about how orca permits were issued. We go deeper in our piece on why the La Ventana orca swim pilot ended.

Mobula rays and sea lions are a different thing

Some Baja trips mix whales, rays and sea lions in the same advert, and this is where words get slippery. Seasonal mobula ray snorkelling and sea lion colonies in the Gulf of California are separate activities from whale tourism. Where they are offered, they depend on the operator holding the right current permit for that activity and that place.

We keep these apart in our own language on purpose. A trip called something like "cetacean safari" that is really a ray trip is the kind of wording that gets read as a promise. We would rather be boring than misread. If you are curious about the rays, our honest day of mobula snorkelling in La Ventana explains what that day can look like, and what it cannot promise.

Why the law keeps people in the boat

It is easy to read a rule like this as someone saying no to fun. We see it differently. A gray whale lagoon is a nursery. Mothers are feeding calves who must build strength for a long migration north. The ban on separating groups or getting between a mother and calf is the heart of the standard, because these are the moments when disturbance costs an animal most.

A boat that keeps its distance, keeps its speed down and leaves on time is easier for a whale to read than a swimmer in the water, so the whale can choose. Swimmers in a lagoon full of calves add noise, surprise and pressure, and once one boat does it, others feel they must compete. Rules like NOM-131 exist so that the whales still come back to the same quiet places next winter.

We also want to be honest about our own footprint. Flying to Baja to see whales has a real environmental cost. If you go, going slowly, with one good operator and a few long, calm hours on the water, is kinder than chasing many sightings in a short trip.

Wildlife encounters are unpredictable. Whale watching should always follow local regulations and experienced professional guidance.

How to be a good guest on a whale boat

Most of a whale day is waiting, scanning and listening to the captain. Sun and wind on the water are strong, even in winter, so a mineral sunscreen and a hat help. Spray reaches everything in a small panga, so a roll-top dry bag keeps a phone and a warm layer dry between sightings.

On board, stay seated when asked, keep your voice low, and let the captain handle the approach. Please do not ask the crew to get closer than the rules allow, and do not lean out to touch a whale, even if one comes alongside. If you see a boat breaking the rules, note the name and the time. PROFEPA is the authority that receives environmental complaints in Mexico.

Where we stand

We do not offer whale swims in Mexico, in any season, under any trip name. That includes our own hosted La Ventana retreat in May 2027: no whale swims and no orca swims. If a seller offers you one, in Magdalena Bay, Cabo, Socorro or with orcas, they are either mistaken or hoping you will not check. For the wider picture, our Ocean Atlas page on Mexico gathers what we know about the country's marine life and rules.

If this made you curious about meeting the ocean this way, you can explore our retreats, and ask Rocío anything at hello@oceancallingretreats.com.

Questions people ask

Is it legal to swim with whales in Mexico?

No, not as a tourism activity. NOM-131-SEMARNAT-2010 sets up whale tourism as watching from authorised boats, and PROFEPA lists swimming and diving among the activities not allowed during whale watching. Please check the current rule before you travel.

Can I touch a gray whale in the lagoons?

The standard prohibits harassing or harming whales in any way. We never touch wildlife and we would not encourage it, even when a whale comes close to the boat on its own.

When is gray whale season in Baja?

Local reporting gives 15 December to 30 April for San Ignacio and Ojo de Liebre, and 1 January to 30 April for Magdalena Bay. Dates can change, so confirm them for your year.

Can I still swim with orcas in La Ventana?

The pilot plan that allowed a controlled orca swim ran from 1 August 2025 to 31 July 2026 and has ended. We found no official new plan when we checked, so we treat in-water orca tourism as not available.

How close can a boat get to a whale in Mexico?

Mexican media summarising NOM-131 report 60 metres or more for a small boat with a humpback or gray whale. We could not read the full official text, so check the current standard.

Does Ocean Calling run whale trips in Mexico?

We never sell whale swims in Mexico, and that includes our La Ventana retreat. Any wildlife day we suggest anywhere follows the local rules, and every activity is optional.

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

1. Posta. Así es el protocolo oficial para el avistamiento de ballena azul en BCS (NOM-131-SEMARNAT-2010).
2. Quadratín México, 2016. Vigila Profepa actividades de observación de ballenas en BCS.
3. adn40. Avistamiento de ballenas en Acapulco: distancia que marca la NOM-131-SEMARNAT-2010.
4. Uno TV, 2025. Baja California Sur aprueba nadar con orcas en La Ventana.
5. Gringo Gazette, 2025. Baja California Sur becomes first Mexican state to regulate orca swimming.
6. Gringo Gazette, 2025. Tour operators protest orca tourism restrictions in La Ventana.
7. The Cabo Post, 2026. Mexico shifts orca tourism to strict regional frameworks.
8. Diario Humano, 2026. Congreso cuestiona decisiones sobre permisos de orcas en BCS.
9. IUCN Marine Mammal Protected Areas Task Force. Western Baja California Lagoons and Coastal Waters IMMA factsheet.
10. Gringo Gazette, 2026. Best whale watching spots in Baja California Sur (season dates).
11. DeeperBlue. Swimming with whales is illegal in Mexico.
12. Infobae, 2026. Plan against illegal fishing in Parque Nacional Revillagigedo.

Further reading on Ocean Calling: All destinations and the rules that apply · More from the journal · Ocean Atlas