We learn to protect.
We aim to understand our surroundings through participatory science, where everyone contributes and we learn together how to improve Las Baulas National Marine Park and ecological connectivity across the Baulas–Conchal Biological Corridor.
CONSERVATION PROGRAMS
Participatory Science
We lead and support various monitoring programs to provide data-driven recommendations to decision-makers.


Community Sea Turtle Monitoring
🗓️ Year-round
Participate alongside other organizations in sea turtle surveillance and monitoring across Las Baulas National Marine Park and Tamarindo Beach.
Marine Debris Monitoring
🗓️ Year-round
We lead the Marine Debris Laboratory at Las Baulas National Marine Park. In this open-air classroom, we collect data with students and volunteers to develop joint solutions to marine pollution, primarily plastics
Intertidal Life Monitoring
🗓️ Quarterly
Collaborate with academic and national institutions in collecting data for the Ecological Integrity Protocol on sandy and rocky beaches within the national park.






Mangrove Ecology Monitoring
🗓️ Quarterly
Collaborate with academic and national institutions in collecting ecological integrity data for local mangrove ecosystems.


Light Pollution Monitoring
🗓️ Nov - Apr
Join the study on night-sky darkness along the beaches of Las Baulas National Marine Park and the Baulas–Conchal Biological Corridor


Ecological Connectivity Monitoring
🗓️ Quarterly
Partner with Grande Resiliente and The Leatherback Trust to observe and care for wildlife while promoting connectivity among neighboring communities.
They see no borders.
Wildlife moves. We aim to promote ecological connectivity.
HABITAT
Education and Awareness
We believe that education and direct connection with nature inspire more people to understand and become aware of our planet's reality.
Playa Grande School
🗓️ Feb - Dec
We assist with science fairs and waste management initiatives to enhance children's environmental knowledge.
Waste Management
🗓️ Year-round
We support the community in recovering recyclable materials across national park beaches, streets, and green spaces
Kids Club
🗓️ Year-round
We support the local community association in hosting educational and recreational activities for local youth
Hands-on Art!
🗓️ Year-round
Community-driven artistic expression fostering ecological awareness.
Reforestation
🗓️ May - Dec
Community collaboration focused on restoring native vegetation.
Wildlife patrols
🗓️ Year-long
Guided walks designed to raise awareness about local flora and fauna.
FIELD TRIP
Aura to the classroom


Don't see the right program?
Let's design one together.
We contribute to sustainable development.
In every project, expedition, and field trip, we support the United Nations Sustainable Development Goals in multiple ways.
IN PARTNERSHIP WITH










Reserve a date for yourself or your group and join active conservation in Playa Grande.
EXPLORE
About us
Conservation programs
Ecological expeditions
Get involved
Data
Asociación para la Conservación, Regeneración y la Sostenibilidad en Playa Grande
Inspiring the next generation of conservationists in Guanacaste.
© 2009 - 2026 All rights reserved.
Made with ♡ in Playa Grande.
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CONTACT
Playa Grande, Cabo Velas
Guanacaste, Costa Rica
✉ info@sosgrande.org
✆ +506 8378-9640
Lleve la educación ambiental al su grupo ↗



