Discover Costa Rica’s Turtle Season: A Must-See Wildlife Spectacle

Costa Rica is a vibrant paradise that attracts nature lovers with its pristine beaches, lush rainforests, and diverse wildlife.  The sea turtle nesting season in Costa Rica is a phenomenal spectacle that particularly stands out. At Find My Costa Rica we’ve prepared this guide that delves into this unique event, known locally as the ‘arribada,’ highlighting the best times and places to witness these majestic creatures in their natural habitat in Costa Rica.

Costa Rica Turtle Season

What is the ‘Arribada’?

The ‘arribada,’ meaning ‘arrival’ in Spanish, refers to the mass nesting of sea turtles. During this time, thousands of female turtles make their way to the beaches under the moonlight to lay their eggs. This event predominantly occurs from March to November and is a pivotal period for the reproduction of endangered sea turtles, including the Olive Ridley, Green Sea Turtle, Loggerhead, Hawksbill, and the Leatherback.

Costa Rica Turtle Season

Prime Locations to Witness Turtle Nesting

Tortuguero National Park

Tortuguero National Park, on the northern Caribbean coast, is a prime location for observing Green Sea turtles. Known as the ‘home of the turtle,’ it is one of the world’s most important breeding grounds for this species. The nesting season here runs from June to October, peaking in July and August. Leatherbacks and Hawksbills also nest in Tortuguero, making it a diverse turtle-watching spot.

Tortuguero Turtle Season Costa Rica

Ostional National Wildlife Refuge

The Ostional National Wildlife Refuge, situated on the Nicoya Peninsula, is another crucial site, particularly for Olive Ridley turtles. Recognized by the World Wildlife Fund as a significant nesting area, the refuge sees these turtles, alongside Green Sea turtles and Leatherbacks, lay their eggs on its distinctive black volcanic sands. The best viewing times are between September and November, with significant arribadas occurring then.

Ostional Tortuguero Turtle Season Costa Rica

Additional Locations Worth Exploring

  • Playa Grande: Located in Las Baulas National Marine Park near Tamarindo on the Pacific Coast, this beach is vital for Leatherback turtles, especially between October and February.
  • Nancite Beach: In Santa Rosa National Park in Guanacaste, this secluded beach hosts large numbers of Olive Ridleys during September and October.

Viewing Guidelines and Conservation Efforts

Strict guidelines are in place to protect the turtles and their nesting sites. Access to beaches like Tortuguero and Ostional is restricted after 6 PM, with entry only possible through guided tours. These measures help minimize human impact on the turtles during this vulnerable period. Visitors are advised to wear dark clothing and to refrain from using flash photography, which can disorient the turtles.

Planning Your Visit

Timing your visit is crucial for a successful turtle-watching experience. The choice of location and time of year should align with the nesting patterns of the species you are interested in observing. Find My Costa Rica can arrange guided tours with expert leaders who ensure that visitors adhere to all guidelines, thus enhancing the experience while contributing to the preservation of these magnificent creatures, or you can book one of our packages including Tortuguero in the itinerary:

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Children with a Turtle

Coastal Charms: Exploring Costa Rica’s Caribbean Paradise

Experience Costa Rica’s Caribbean paradise: thrilling adventures, natural wonders, beach bliss, and vibrant culture.

Conservation programs are integral to the survival of sea turtles in Costa Rica. By participating in guided tours and following established guidelines, visitors not only witness one of nature’s greatest spectacles but also support ongoing efforts to protect these ancient mariners. Whether you are a wildlife enthusiast or simply looking for a unique experience during your Costa Rican vacation, turtle watching is an enriching activity that offers insights into the natural world and the challenges it faces.

Frequently Asked Questions

When is the best time to see turtle nesting in Costa Rica?

The prime turtle nesting season in Costa Rica is from March to November, with specific peak times varying by location and turtle species.

Where are the best places to witness turtle nesting in Costa Rica?

Top locations include Tortuguero National Park for Green Sea turtles, Ostional Wildlife Refuge for Olive Ridley turtles, Playa Grande for Leatherbacks, and Nancite Beach for Olive Ridleys.

What should I bring to a turtle-watching tour?

Essential items include dark clothing to minimize disturbance, a camera without flash, insect repellent, and a light raincoat depending on the season.

Are there any rules I need to follow while watching the turtles?

Yes, visitors must follow the guide’s instructions, maintain a respectful distance, and avoid any light or noise that could disturb the turtles.

The rainy season is genuinely wonderful for travelers who prepare for it. Crowds are smaller, forests are greener, and waterfalls are at their most dramatic. It rains hard, but usually in defined afternoon windows — mornings are often clear.

Want the full picture? Our guide to Costa Rica’s rainy season covers what to expect region by region.

What to pack by activity

Do not repeat your master checklist here these are the additions that matter for specific trip types. Grab what applies to your itinerary and leave the rest.

Beach and water sports

  • Rash guard sun protection in the water is more effective than sunscreen alone
  • Waterproof phone case or action cam housing
  • Reef-safe sunscreen mandatory in marine reserves; this is not a suggestion
  • Water shoes for rocky beaches and shallow reef walks

Hiking and national parks

  • Trekking poles especially useful on steep, wet trails in Corcovado or Chirripó
  • Gaiters for deep mud on rainy season trails
  • Extra headlamp batteries early morning wildlife walks start before dawn
  • Microfiber towel compact and dries fast between hikes

Wildlife watching

  • Binoculars note that most FMCR partner guides carry loaners, so check with your guide before packing yours
  • Zoom lens (200mm or more) for photographing birds and monkeys at distance
  • Early-morning layers wildlife is most active before 8am when temperatures are still low
  • Silent, dark-colored clothing neon colors startle wildlife

City and culture (San José and beyond)

  • Money belt or anti-theft bag  pickpocketing exists in busy market areas
  • Light cardigan or blazer for nicer restaurants
  • Comfortable walking shoes  cobblestones in Barrio Amón are tough on sandals
Traveler enjoying a Costa Rica sunset view from a scenic overlook

What NOT to pack for Costa Rica

This is the section most travelers wish they had read first. Overpacking is the number one complaint we hear from guests on their first day. Less really is more when you are moving between regions.

Jeans: They never fully dry in the humidity. Swap them for quick-dry pants or shorts and thank yourself on day two.

High heels or dress shoes: You will not need them. Even nice restaurants in Costa Rica are casual. One pair of clean trail sandals does the job.

Too many shoes: Three pairs maximum: waterproof sandals, trail shoes, and flip flops. Shoes are heavy and take space.

Non-reef-safe sunscreen: It is prohibited in several reserves and harmful to marine ecosystems. Bring reef-safe from home. Brands like Raw Elements and Badger are good options.

A hair dryer: Almost every hotel and lodge provides one. Leave yours at home.

Valuables you cannot afford to lose: Leave the expensive jewelry and the laptop you need for work. Use your trip as a proper break.

Cotton everything:Cotton absorbs moisture and stays wet all day. Pack synthetics or merino for everything except maybe one casual outfit.

Practical tips for packing smart: documents, money, and tech

Your passport must be valid for the full duration of your trip.

Customs also requires a tiquete de salida proof of onward travel out of Costa Rica. This can be a return flight or a bus ticket to a neighboring country. Have it printed or easily accessible on your phone. See Costa Rica national park regulations via SINAC for entry requirements at protected areas.

Money

  • Colones (CRC) are the local currency; USD is widely accepted but change is given in colones
  • ATMs are available in most towns withdraw colones there rather than exchanging at the airport, where rates are poor
  • Visa and Mastercard accepted at most hotels, restaurants, and tour operators; carry some cash for small sodas and local markets

Health prep

Check the CDC health recommendations for Costa Rica before your trip they cover vaccines, repellent, and food safety guidance. Travel insurance is not required by law, but we strongly recommend it for anyone doing adventure activities.

Tech

  • Costa Rica runs on 110V/60Hz US travelers need no adapter or converter
  • Cell coverage is solid in tourist areas; download offline maps before heading into remote zones
  • WhatsApp is the primary communication tool in Costa Rica make sure it is installed and working

 

Tropical hot springs surrounded by rainforest in Costa Rica
Do I need a visa to visit Costa Rica?

US, Canadian, and UK citizens do not need a visa to enter Costa Rica for stays up to 90 days. Your passport must be valid for the full duration of your trip. You will need to show a return or onward ticket at customs.

Is tap water safe to drink in Costa Rica?

Yes in most areas. Tap water in San José, Guanacaste, La Fortuna, and other major tourist regions is safe to drink and often tastes good. In very remote or rural communities, confirm locally before drinking. Carry a reusable bottle and refill with confidence in most places.

What is the best luggage for a Costa Rica trip?

A soft-sided rolling suitcase works well if you are staying in one or two places. If you are moving between regions beach, rainforest, and volcano a mid-size backpack (40–50L) is far more practical. It fits in small boats, shuttles, and keeps your hands free on trails. We see guests arrive with giant hard-shell suitcases and spend the trip wishing they had packed a bag.

Do I need to bring bug spray to Costa Rica?

Yes. We recommend a picaridin-based repellent like Sawyer 20% over DEET it works just as well in tropical conditions, does not damage gear or plastics, and has no harsh smell. Apply it especially at dawn and dusk during the rainy season.

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