🇨🇷 Costa Rica · South Pacific (Osa)
Puerto Jiménez is the main town on the Osa Peninsula, at the far southern end of Costa Rica's Pacific coast, on the shore of the Golfo Dulce. It's the logistics base par excellence for visiting Corcovado National Park, one of the most biodiverse places on the planet, and a meeting point between Costa Rican small-town life, fishing, ecotourism and the legacy of the gold prospectors who settled the region.
Facing the calm waters of the Golfo Dulce, Puerto Jiménez is a quiet, dusty, authentic town, with streets where it's not unusual to see scarlet macaws flying over the trees and monkeys nearby. This is where the tour operators are concentrated, along with the offices for arranging entry to Corcovado, lodging for every budget and the overland connection to the rest of the peninsula, including the Cabo Matapalo area and the Carate station, the park's southern entrance.
This guide covers the essentials of Puerto Jiménez with a practical eye: how to organize a visit to Corcovado, the tours on the Golfo Dulce (dolphins, kayaking in the mangroves), nearby Cabo Matapalo, where to sleep and eat, and how to get here and get around in this remote region. A destination for anyone after wild nature with the comfort of a service town as a base.
Puerto Jiménez grew in the 20th century around gold mining on the Osa Peninsula, which drew 'oreros' (small-scale gold prospectors), and around timber and bananas. The creation of Corcovado National Park in 1975 and the regulation of mining shifted the local economy toward ecotourism, turning the town into the main base for visiting the park and exploring the Golfo Dulce. The full story is on our history page.
Read the full history ↓The country's longest coastal province, from the Central Pacific to the deep south: from the historic coffee port of Puntarenas to the cloud forests of Monteverde, from the beaches of Manuel Antonio to the wild jewel of the Osa Peninsula and Corcovado, 'the most biologically intense place on Earth'.
Read the history of Puntarenas →No exact prices: a scale from $ (budget) to $$$$$ (luxury), with 2-3 options per category.
Origins, formation and what the sources say.
Long before the oreros and ecotourism arrived, the Osa Peninsula and the Golfo Dulce region were inhabited by Indigenous peoples who left one of the most enigmatic archaeological traces in the Americas: the pre-Columbian stone spheres. Although the most famous ones are concentrated in the nearby Diquís delta (Palmar Sur), declared a UNESCO World Heritage Site in 2014, the whole southern Pacific area of Costa Rica was part of the territory of cultures that mastered stone carving, goldwork and coastal trade between the 5th and 16th centuries.
These chiefdom societies made use of the wealth of the Golfo Dulce and the forests of Osa: they fished, gathered shellfish, hunted and farmed in one of the wettest and most biodiverse regions of the isthmus. Gold, which centuries later would draw modern prospectors, was already worked by Indigenous goldsmiths, who produced pendants and animal figures now kept in museums. The arrival of the Spanish in the 16th century, and especially the expeditions along the Pacific coast, marked the beginning of these populations' decline through war and disease.
Through the colonial period and much of the 19th century, the Osa Peninsula remained one of the most isolated and sparsely populated parts of Costa Rica: dense jungle, a hard-to-reach coast and almost no roads. That remoteness, paradoxically, helped preserve the forests that are the region's greatest treasure today.
The modern history of Puerto Jiménez is deeply marked by gold. Through the 20th century, the Osa Peninsula was the scene of successive gold rushes that drew small-scale prospectors known as 'oreros', who extracted the metal from the region's rivers and streams using rudimentary panning techniques. Puerto Jiménez, as the peninsula's main settlement, became their center for supplies, trade and social life.
The work of the oreros, along with logging and banana and palm crops, shaped a frontier economy, harsh and often informal, in a remote and hard-to-reach area. The gold rush reached moments of great intensity, especially when rich seams were found, drawing hundreds of prospectors who pushed even into areas that would later be protected.
This small-scale mining came into direct conflict with conservation when Corcovado National Park was created, since many oreros were working inside its boundaries. In the following decades, the Costa Rican state gradually restricted and regulated mining on the peninsula to protect the rivers and forests, which caused social tensions but made it possible to preserve one of the country's most valuable ecosystems. The orero legacy is still part of Puerto Jiménez's cultural identity.
The event that transformed Puerto Jiménez most was the creation of Corcovado National Park in 1975, one of the most important conservation decisions in Costa Rica's history. The park protected one of the last great remnants of primary tropical rainforest on the Pacific side of Central America, an ecosystem of exceptional biodiversity that National Geographic magazine went so far as to describe as one of the biologically most intense places on the planet.
The protection of Corcovado, together with the later creation of other protected areas on the peninsula and the Golfo Dulce, eased the pressure from mining and logging and gradually reoriented the local economy toward ecotourism. Puerto Jiménez, as the main town on Osa and thanks to its strategic position on the Golfo Dulce, established itself as the logistics base for visiting the park: entry permits, guides and transfers are all arranged here.
Over the past decades, the town has managed to combine its character as an authentic Costa Rican community —with its fishing, its sodas and its streets where macaws fly overhead— with a growing tourist offering of lodges, operators and services for nature travelers. Today it embodies the Costa Rican model of turning natural wealth into development through conservation.
In recent decades, Puerto Jiménez has consolidated its role as the capital of Osa. In 2022, through an administrative reform, it was made the seat of a new canton —the canton of Puerto Jiménez—, split off from the historic canton of Golfito, reflecting its growing demographic, economic and tourist importance in the south of the country. That institutional recognition came alongside the development of services, infrastructure and connectivity in a region that for centuries had been among the most isolated in Costa Rica.
Today's economy revolves around nature tourism: visits to Corcovado, tours on the Golfo Dulce, sustainable sport fishing and wildlife watching sustain hotels, lodges, sodas and local operators. At the same time, traditional activities such as small-scale fishing and smallholder farming continue, in a not always easy balance between development and conservation.
The great challenge for Puerto Jiménez and for all of Osa is keeping that balance: making tourism generate income for local people without degrading the forests, the rivers and the gulf that are their greatest heritage. Community tourism initiatives, certified local guides and the regulation of access to Corcovado all point in that direction. Today the town is at once the gateway to one of the wildest places on the planet and an example of the Costa Rican model of conservation with a human face.
Off Puerto Jiménez stretches a global rarity: the Golfo Dulce, one of only four tropical fjord-type estuaries in the world, alongside the Gulf of Cariaco (Venezuela), Darwin Bay (Galápagos) and Kaoe Bay (Indonesia). Unlike ordinary bays, the Golfo Dulce is a deep basin —some 50 kilometers long with depths of over 200 meters— closed off by an underwater sill about 60 meters deep at its mouth. That natural 'plug' keeps the deep water from renewing easily, so oxygen-free (anoxic), nutrient-rich water builds up at the bottom. That unique dynamic makes the gulf a natural laboratory for scientists and, at the surface, a refuge of warm calm water where resident bottlenose dolphins and spotted dolphins thrive, along with humpback whales in two seasons, from the northern hemisphere (December-March) and the southern one (July-October).
Inland, the Osa Peninsula packs in a biodiversity that is hard to overstate. Corcovado National Park, the wild heart of the peninsula, protects the largest block of primary tropical rainforest on the Central American Pacific, and within its 400-odd square kilometers it holds around 2.5% of all the planet's biodiversity: it is home to Costa Rica's four monkey species, to Baird's tapir, to the jaguar and five other wild cats, to the country's largest scarlet macaw population, to white-lipped peccaries, toucans, poison dart frogs and thousands of species of insects and plants. That concentration of life is what led National Geographic to describe Corcovado as 'the most biologically intense place on Earth', a phrase that today works almost as the region's slogan.
That richness is also the reason for the strict rules governing visits: a mandatory certified guide, limited spots and advance booking through SINAC. Puerto Jiménez, as the main town on Osa, lives off that fragile treasure and guards it at the same time. Understanding the Golfo Dulce and Corcovado —their geological rarity, their wildlife and their rules— is understanding how a town of former gold prospectors ended up as the gateway to one of the last great wildernesses in the Americas.