Whale watching in Costa Rica: Uvita, Marino Ballena and the two humpback seasons

Costa Rica has the longest humpback watching calendar in the world, and the reason is geography rather than luck. The country sits close enough to the equator that both hemispheres' humpbacks use the same warm coastal water to breed — the North Pacific animals from December to April, the Antarctic animals from July to November. SINAC, the national parks service, lists both seasons on the page for Marino Ballena National Park.

Whale watching in Costa Rica therefore means the South Pacific coast, and in practice it means Uvita. Boats leave the beach at Marino Ballena for three to four hours, cost $91.70 to $131.84, and the park ticket is a separate $6.

• Argentina & PatagoniaJun–Dec
• Costa RicaJul–Nov & Dec–Apr
• Dominican RepublicMid-Jan to end of Mar
• Ecuador & GalápagosLate Jun–Sep

Marino Ballena, and why the park matters

The park was created before whale watching was an industry here, and by fishermen rather than for tourists. SINAC's own history says the idea came from residents and small-scale fishers at Bahía Ballena and Piñuelas who were watching commercial shrimp boats destroy their nets and their fishing grounds.

The first decree, 19441-MIRENEM, came on 14 December 1989 and was repealed the following year; the park was legitimized on 9 June 1992 by Executive Decree 21294-MIRENEM. It was Costa Rica's and Central America's first marine national park, and the first protected area in the country created exclusively for marine resources.

What it protects is small and specific: 5,160 marine hectares and 171 terrestrial hectares along 15 kilometers of coast, from the mouth of the Río Morete to Punta Piñuela. Inside it are Isla Ballena, the Tres Hermanas rocks, Roca La Viuda, coral patches, mangrove and the tómbolo at Punta Uvita that everyone calls the Whale Tail.

The name predates the shape. The whales were the reason.

Month by month

July opens the southern season as the first Antarctic humpbacks arrive. August and September are the strongest weeks for mothers with calves in the bay, and also the wettest part of the green season — book the morning boat.

October carries the peak into calmer water, and by late November the southern animals are leaving. December to March is the quieter northern season: fewer whales, fewer boats, dry-season weather, and the best prices on accommodation in the area.

April tails off. May and June are the gap, and honest operators will tell you so.

1. Humpback (southern)
2. Humpback (northern)
3. Bottlenose dolphin
4. Spotted dolphin
5. Pilot whale

PeakGoodPossibleOff

Two hemispheres, one bay. SINAC's park page lists humpbacks from the north from December to April and from the south from July to November, with resident dolphins all year — which is why Costa Rica has the longest humpback calendar of any country.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Humpback (southern)	Off	Off	Off	Off	Off	Off	Peak	Peak	Peak	Peak	Good	Off
Humpback (northern)	Peak	Peak	Good	Possible	Off	Off	Off	Off	Off	Off	Possible	Peak
Bottlenose dolphin	Peak	Peak	Peak	Peak	Peak	Peak	Peak	Peak	Peak	Peak	Peak	Peak
Spotted dolphin	Good	Good	Good	Peak	Peak	Peak	Peak	Peak	Peak	Peak	Good	Good
Pilot whale	Possible	Possible	Good	Good	Good	Good	Good	Good	Good	Good	Possible	Possible

The boats

Almost every Uvita trip runs on an open launch: eight to fourteen seats, an outboard, a canopy if the operator has bothered, and a wet exit off the beach. It is the right boat for this coast — shallow draft, quick to a sighting, and everybody has a rail. It is also completely exposed, which matters more in September than the price difference suggests.

Covered boats cost a few dollars more and are worth it in the green season. Catamaran day trips out of Quepos and Uvita combine the park with snorkeling at Isla Ballena and a beach stop; they are a good day out and a mediocre whale trip, because the whale portion is a fraction of the itinerary.

The cheapest option is not a boat at all. With the $6 park ticket you can walk the Whale Tail sandbar at low tide and watch blows offshore. Take binoculars and check the tide table posted at the entrance — SINAC is clear that the tómbolo is only walkable during the six hours of low water.

Ports, and how to reach them

Uvita is three and a half hours from San José on the Costanera Sur, and that drive is the main cost of the trip. Buses run from San José to Uvita; from there you need a taxi or a lift to the sector you are launching from, because the four park entrances are spread along 15 kilometers of highway.

Drake Bay and the Golfo Dulce are the alternative, and a different kind of trip: reached by boat from Sierpe or by a long drive to Puerto Jiménez, with more offshore species, fewer other boats and far fewer departures. Quepos is the convenient compromise if you are already at Manuel Antonio.

What the day costs

Uvita whale and dolphin trip3h 30m, drinks and snacks	$95
Cheapest Uvita boat3 hours, Bahía Ballena	$91.70
Marino Ballena day tripFull day, park and snorkeling	$92
Park entrance, non-residentPer person, per day, all four sectors	$6
Nationals and residentsSINAC rate	₡1,000
Under 11s and older visitorsSINAC rate	Free
Total	≈ $100 per adult for a boat trip plus the park ticket

Prices are checked regularly. Most Uvita operators collect the SINAC park fee with the boat ticket — check the listing, because it is charged per person per day either way.

Price check · GetYourGuide

Live prices, per person, checked regularly. Sorted from lowest.

Tour	Price	Duration	Rating
Uvita: Whale Watching Tour	$86 Lowest	3 h	★ 4.1 (6)	Check dates
Uvita: Whale and Dolphin Watching Tour - Bahia Ballena	$89.78	3 h	★ 4.2 (29)	Check dates
Uvita: Marino Ballena National Park Whale Watching Tour	$90	3 h	★ 3.9 (6)	Check dates
Marino Ballena National Park: Whale Watching In Uvita	$90.91	3 h	★ 4.1 (84)	Check dates
Marino Ballena National Park: Watching Whales and Dolphins	$92	1 day	★ 4.5 (104)	Check dates
Uvita Whale and Dolphin Watching Ballena National Marine Park	$92	3 h	★ 4.0 (2)	Check dates
Uvita: Whale & Dolphin Watching Boat Trip w/ Drinks & Snacks	$95	3.5 h	★ 4.5 (766)	Check dates
Uvita: Whale Watching in the Ballena National Marine Park	$95	3 h	★ 4.4 (2)	Check dates

Rules and park practicalities

The park charges per person per day and one ticket covers all four sectors — Uvita, Colonia, Ballena and Piñuela. SINAC lists opening from 7 a.m. to 4 p.m., with the Ballena sector from 8 a.m., every day of the year. Snorkeling near the tómbolo and Isla Ballena is permitted with mask and snorkel only; fins are not allowed.

On the water, the numbers come from Executive Decree 32495-MINAE-MOPT-MSP-MAG, the regulation governing cetacean-related activities in Costa Rican waters. It sets 100 m as the minimum approach to whales and to any cetacean over 5 m long, doubling to 200 m while the animals are feeding or socializing, and 50 m to dolphins with the engine running — 30 m once it is off. A lone animal or a mother with a calf gets 100 m and no more than 15 minutes, or 150 m in the case of a whale. Only two boats may work one group at a time, with the rest holding 200 m back, and nobody may stay with a group for longer than 30 minutes.

Speed is capped at 4 knots (7 km/h) inside observation areas when cetaceans are present, and the decree adds that a boat must always move slower than the slowest animal in the group. Swimming or diving with cetaceans is prohibited outright, permitted only under a SINAC or INCOPESCA research permit. Operators also need a permit — SINAC's inside protected waters, INCOPESCA's outside them.

Practically, that means an authorized captain, a guide on board and a park ticket accounted for. If a boat is racing between sightings, crowding a mother and calf or putting swimmers in the water near cetaceans, it is breaking the decree rather than bending a guideline.

SINAC also coordinates with the local tourism industry on the Festival de Ballenas y Delfines, which its press office says is held every September at Marino Ballena during the high sighting season. If you are choosing a week in the southern season, that is the one with the most going on ashore as well as offshore.

Reading a Costa Rica listing

The listings in this group look almost identical and are not. Four things separate them.

Duration first. Three hours is the standard and covers the bay and the near-shore water; three and a half to four hours gets you further out toward Isla Ballena and the drop-off, which is where the pilot whales and the bigger dolphin herds are. A "full day" listing is a park-and-snorkel itinerary with a whale segment inside it.

Second, the rating base. The busiest Uvita boat carries 4.5 from 746 ratings; several others sit on fewer than 30. A 4.7 from 26 ratings and a 4 from 17 tell you much less than the headline number suggests, so read the most recent reviews rather than the average.

Third, what is included. Drinks, snacks, snorkeling gear and the park ticket appear on some listings and not others, and the $6 fee is per person per day whether or not the operator handles it.

Fourth, departure time. Morning boats leave into flatter water and clearer skies; afternoon boats in the green season are a gamble with the weather rather than with the whales.

What the day is actually like

You meet at the beach rather than at a pier. Most Uvita launches are pushed off the sand or loaded from a shallow ramp at Playa Colonia or Playa Bahía, so expect wet feet and leave anything that cannot get splashed in the car.

The run out is short. The park's marine sector starts immediately offshore, and boats usually clear the Whale Tail within ten minutes. From there the crew works the coast between Punta Uvita and Isla Ballena, looking for blows and for the bird activity that marks feeding dolphins.

Humpbacks in Costa Rica are mostly doing three things: resting, nursing and, in the case of males, escorting. That makes for slower, quieter watching than a feeding ground like Alaska — long surface rests, calves rolling beside their mothers, the occasional breach rather than a constant show. It also means captains keep their distance and their engines down, because a mother and calf are the animals most easily disturbed.

Most trips finish with a snorkeling stop in the lee of Isla Ballena or at the reef beside the tómbolo. Remember that only mask and snorkel are permitted there; fins are not allowed.

Take reef-safe sunscreen, a hat, a dry bag and more water than you think. The open launches have no shade to speak of and no head, and three hours under the Pacific sun at nine degrees north is not the same as three hours anywhere further from the equator.

Book the first departure of the day. Mornings on this coast are calmer and clearer, the light is better for photographs, and in the green season the afternoon frequently brings rain that nobody on an open boat enjoys.

Official information

Marino Ballena National Park and the cetacean decree

Created

Executive Decree 19441-MIRENEM on 14 December 1989, repealed in 1990, and legitimized by Executive Decree 21294-MIRENEM on 9 June 1992

First of its kind

Costa Rica's and Central America's first marine national park, and the first protected area created exclusively for marine resources

Size

5,160 marine hectares and 171 terrestrial hectares, along 15 km of coast from the mouth of the Río Morete to Punta Piñuela

Sectors

Four official entrances: Uvita, Colonia, Ballena and Piñuela, all off the Costanera Sur highway

Entrance

$6 for foreign non-residents, ₡1,000 for nationals and residents; under-11s and older visitors free; one ticket covers all four sectors, per person per day

Hours

Open every day; SINAC lists 7 a.m. to 4 p.m., with the Ballena sector from 8 a.m.

Humpback seasons

Northern population December to April, southern population July to November, resident dolphins year-round

The Whale Tail

The tómbolo can be walked only during the six hours of low tide; snorkeling is mask and snorkel only, fins are not allowed

Approach distance

Executive Decree 32495-MINAE-MOPT-MSP-MAG: no closer than 100 m to whales and any cetacean over 5 m long, or 200 m while they are feeding or socializing; 50 m from dolphins with the engine running and 30 m with it off

Mothers and calves

150 m from a whale with a calf and 100 m from a lone dolphin or a mother and calf, for no more than 15 minutes

Boats per group

A maximum of two vessels around one group of cetaceans; every other boat must hold 200 m off

Observation time

30 minutes maximum with any group of cetaceans

Speed

4 knots (7 km/h) inside observation areas when cetaceans are present, and never faster than the slowest animal in the group

In the water

Swimming and diving with cetaceans is prohibited outright, except under a SINAC or INCOPESCA research permit

Source: SINAC — Parque Nacional Marino Ballena. From the official source; double-check before you go.

Sighting guarantee

No Costa Rican operator on this feed publishes a sighting guarantee. What you are buying is a park trip with good odds, not a promise.

What the listings offer

Three to four hours in the marine park with a guide, drinks and usually a snorkeling stop. Cancellation terms, not re-ride vouchers.

The real safety net

SINAC lists resident bottlenose dolphins in the park in every month. A whale-less trip is rarely a wildlife-less one.

Worst timing

May and June, between the two humpback seasons. Boats still run; the whales are largely elsewhere.

Weather

The green season runs mid-April to mid-December. Mornings are usually clear and afternoons are not — book the early departure.

Ratings across the Uvita boats range from 4 to 4.7. Read the recent reviews on any listing with fewer than 100 ratings.

Where this fits

Costa Rica is the hinge of the humpback world. The same population that fills Bahía Ballena in January feeds off California and Alaska in July, and the animals that arrive in August have come from the Antarctic. No other country puts both halves of the species on one coast.

If the Caribbean side of the humpback story interests you, the Dominican Republic page covers the Samaná and Silver Bank breeding grounds, which take the North Atlantic population. For the animal itself, start with the humpback whale page; for the region, the Latin America hub sets Costa Rica beside Argentina's Península Valdés and Ecuador.

Our call

Uvita in September

The middle of the southern humpback season, calm morning seas, mothers with calves in the bay, and the busiest, best-reviewed boat in the country at $95.

Skip it if May and June, which fall between the two humpback runs.

Check Uvita dates from $95