Snorkel and explore the coral reefs with brightly colored tropical fish,, moray eels, lobsters and rays.

Hike the Primary Rain Forest.

 The amazing diversity of the primary rainforest provides the sustanence for a multitude of insects,  birds and animals, including humans. 

It is hard to imagine that 2 1/2 acres of primary rainforest has more species of trees and plants than all of North America. In turn, this diversity of plant life supports the bio-diversity of animal, bird and insect life.

Interact with some really nice people.  Actually, the Happy Planet Index ranks Costa Rica as the happiest country in the world.

Costa Rica has been ranked highest for the second year in a row, with several other developing nations following its lead.

So many tropical flowering plants and trees to learn about. Taste and experience delicious new tropical fruits and juices relatively unknown in non tropical countries. Learn about the medicinal plants derived from the primary rainforest and why the rainforest is so important.


Found only in the Golfo Dulce, a newly recorded species of sea snake that was studied and documented by Brooke Bessesen has gained worldwide attention. Not only a unique species due to coloration but it also has a previously unknown way of hunting prey.

All lodges offer a tremendous variety of activities from relaxing to the exciting and adventurous. Here are just a few to think about.

Kayaking is for all ages in the calm, warm waters of the Golfo Dulce and the Rio Esquinas.. 

The waters are calm and clear. It is like you are paddling on top of an aquarium and looking down at all the tropical fish in the tank.

We often see dolphins swimming close by or a sea turtle popping up to check you out.


With 1/10th of all known bird species in the world inhabiting this small patch of land called Costa Rica, it is a birdwatchers paradise. 850 species have been documented with 600 of them permanent residents. Even 51 species of hummingbirds!!!

There are 16 species of parrots from diminutive green parakeets to giant scarlet macaws. And who can forget the Frootloops mascot to the left.

And you can still relax!!!

Local Boat Tour Operators


The huge diversity of the primary rainforest can provide the biologist in you the opportunity to discover a new species!!

Changing Tide Tours is

Based out of Puerto Jimenez and Golfito,. It is a family-run business providing an extensive selection of tours:

Dolphin watching
Whale watching
Trips to the Osa Wildlife Sanctuary
Corcovado National Park
Piedras Blancas National Park
Primary Forest hikes & Lunch at Saladero Lodge
River/Mangrove tours
Artesanal fishing with locals
Sea & River Kayaking
Bioluminescence & Sunset Sail
Sea Turtle Nesting Tours
Scuba Diving
Bird watching
Botanical Garden visits
Paddle Boarding
Horseback Riding
Ziplining/ Canopy Tour
Chocolate Tour
Waterfall Hikes
Custom tours

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Phone - 506-8409-5875

Changing Tide Tours has small tour boats as well as a larger vessel for groups of up to 35 passengers equiped with bathroom, fresh water shower, sound system and second floor viewing platform.

Marine Life in the Golfo Dulce

Look for Dolphins and whales. Marine biologist Brooke Bessesen did research in the Golfo Dulce and wrote:

"Jorge and I were always thrilled to see dolphins, as they are icons of the sea. Luckily, sightings were relatively common (only sea turtles were seen more frequently) and these graceful cetaceans graced our bow almost every day we were on the water. We observed many dolphin behaviors: foraging and traveling, mating and calf care, spyhopping and playing. But, of course, dolphins are not all same.

The most common delphinids seen in Golfo Dulce were Bottlenose dolphins(Turciops truncatus) followed by Spotted dolphins (Stenella attennata). Even though some Spotted dolphins don’t have spots, these two species are fairly easy to tell apart. Spotted dolphins are smaller in body size and have distinctly sickle-shaped dorsal fins. There are behavioral differences, too.

Most of the Bottlenose dolphins in Golfo Dulce appear residential and some even seem to show fidelity to certain parts of the embayment. This species tends to hang out more coastally, especially near river outlets, sometimes chasing ballyhoo and needlefish at the surface. While they occasionally converged into congregations of five to 15, the Bottlenose dolphins were usually seen in smaller groups of two or three.

Spotted dolphinsmigrate in and out of Golfo Dulce, generally using the deeper middle waters of the inlet. The average group recorded during our survey was five to 60 individuals; however, we recorded several sightings of scattered herds estimated to include 100 to 500 individuals. At times large groups of these gregarious cetaceans could be seen playfully flinging themselves into the air, a show-stopping riot of activity."

The most commonly seen whale inside the Golfo Dulce is the Humpback whale (Megaptera novaeangliae), a species that annually migrates from colder feeding grounds near the magnetic poles to warmer equatorial breeding and birthing grounds.

In fact, the Golfo Dulce is a really special place for Humpbacks — it is the only known place in the world where the migration paths of whales from both the northern and southern hemispheres cross over. Because the Arctic and Antarctic seasons are opposing, Humpbacks from the North Pacific Ocean spend time inside the Golfo Dulce during January and February while Humpbacks from the Southern Ocean normally arrive during July and August. That means whales are coming and going from the gulf throughout much of the year.

Want to help protect the Golfo Dulce? Contact CEIC (The center for iinvestigation of whales and dolphins in the Golfo Dulce).

They have volunteer programs to assist in scientific research with the ultimate goal of protecting the marine life and making the Golfo Dulce a Marine Protected Area.

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