Sea Turtles in Costa Rica: How to See Them Responsibly

Ancient Travelers of the World’s Oceans

Sea turtle lineages have survived for more than 100 million years, traveling enormous distances between feeding areas and the beaches where females return to nest.

Costa Rica plays an important role in their survival. Its Pacific and Caribbean coastlines provide nesting, feeding and migration habitat for several sea turtle species.

Six of the world’s seven sea turtle species have been recorded in Costa Rican waters, while five species are known to nest on the country’s beaches: the leatherback, olive ridley, green, hawksbill and loggerhead turtles.

Seeing a sea turtle in the wild can be one of the most memorable experiences of a Costa Rica vacation. However, nesting and hatching are delicate natural processes. Visitors must follow conservation rules and understand that wildlife sightings are never guaranteed.

Why Costa Rica’s Beaches Are So Important

Sea turtles depend on healthy oceans, but they also need suitable beaches where females can lay their eggs. Different species return to different regions, seasons and types of coastline.

Costa Rica protects important nesting habitat through national parks, wildlife refuges and marine conservation areas. These protected locations include Ostional Wildlife Refuge, Marino Las Baulas National Park, Tortuguero National Park and Gandoca-Manzanillo Wildlife Refuge.

Protecting the beach alone is not enough. Nearby mangroves, coral habitats, coastal forests and marine feeding areas are also part of the ecosystem that supports sea turtles throughout their lives.

Where Can Travelers See Sea Turtles in Costa Rica?

Ostional Wildlife Refuge

Ostional, located on the Nicoya Peninsula in Guanacaste, is internationally known for the mass nesting of olive ridley turtles.

This phenomenon is called an arribada. During an arribada, large numbers of female turtles reach the beach over several nights to lay their eggs.

Arribadas can occur throughout the year, although their timing, size and duration are determined by nature. Travelers should never plan around a guaranteed date based only on an online calendar or social media prediction.

Access during nesting periods is regulated, and visitors must enter with an accredited local guide when required. Guides help protect the turtles while explaining the nesting process and the conservation work carried out by the local community.

Marino Las Baulas National Park

Marino Las Baulas National Park is located around Tamarindo Bay in Guanacaste. It was created primarily to protect leatherback turtle nesting habitat at Playa Grande, Playa Ventanas and Playa Langosta.

The park is also visited by olive ridley and black or Pacific green turtles. Leatherbacks are the largest sea turtles in the world and one of the most remarkable marine animals found along Costa Rica’s coast.

Turtle observation programs and nighttime access can be restricted or unavailable depending on current conservation measures. Travelers should confirm the latest information directly with SINAC rather than assuming that a nesting tour will be operating.

Tortuguero National Park

On Costa Rica’s Caribbean coast, Tortuguero National Park protects nesting habitat for green, leatherback, hawksbill and loggerhead turtles.

The region is especially associated with green turtle nesting, but different species use the coastline at different times of the year. Reaching Tortuguero normally requires a boat or domestic flight, making it a completely different experience from visiting the beaches of Guanacaste.

Gandoca-Manzanillo Wildlife Refuge

The southern Caribbean also protects important nesting habitat. Leatherback, green, hawksbill and loggerhead turtles have been recorded nesting along the coast of the Gandoca-Manzanillo Wildlife Refuge.

This region combines beaches, wetlands, tropical forest and coral-influenced marine ecosystems, showing how sea turtle conservation is connected to the protection of the wider coastal environment.

How to Observe Sea Turtles Responsibly

Always use an accredited guide when one is required and follow every instruction given by park officials. Rules may change according to the beach, species, season and stage of the nesting process.

Never touch a turtle, egg or hatchling. Do not stand directly in front of a nesting female or block her route between the ocean and the nesting area.

Avoid flash photography, bright phone screens and ordinary flashlights. Artificial light can disturb nesting females and disorient hatchlings trying to reach the ocean.

Remain quiet, keep the required distance and stay with your group. A turtle may return to the ocean without nesting if she feels threatened or repeatedly disturbed.

Visitors should also remain on approved paths and avoid stepping on marked or unmarked nesting areas. Turtle nests can be difficult to identify without the help of trained guides.

What Threatens Sea Turtles?

Sea turtles face dangers both on land and at sea. Plastic pollution, abandoned fishing equipment, accidental capture, boat strikes and the loss of feeding habitats can affect turtles throughout their lives.

On nesting beaches, artificial lighting, coastal construction, vehicles, noise, pets and uncontrolled tourism can interfere with nesting and hatching.

Climate change also affects nesting habitat. Rising sea levels, beach erosion, stronger storms and changing sand temperatures may influence the survival and development of eggs.

Responsible tourism cannot solve every threat, but visitor behavior matters. Following park rules, reducing waste and supporting authorized local guides helps make wildlife tourism part of the conservation solution.

Protecting an Ancient Journey

Sea turtles survived major changes on Earth long before modern humans appeared, but many of the threats they face today are connected to human activity.

Costa Rica has the privilege of protecting important nesting beaches on both the Pacific and Caribbean coasts. Ostional’s olive ridley arribadas, the leatherback habitat of Marino Las Baulas and the green turtle nesting areas of Tortuguero are part of a conservation responsibility shared by communities, park officials, guides and visitors.

The best turtle experience is not the closest photograph or the largest crowd around a nest. It is an observation that allows the animal to complete its natural behavior without interference.

By choosing accredited guides, following conservation rules and respecting the beach after dark, travelers can experience one of Costa Rica’s most extraordinary natural events while helping protect it for future generations.