100%
of your donation goes directly to conservation
Direct and measurable
impact through our programs
Officially registered non-profit in Costa Rica (Law 218)
U.S. tax-exempt status
Coming soon
We seek to understand our environment through participatory science, where everyone contributes and we learn together how to enhance Las Baulas National Marine Park and ecological connectivity across the Baulas–Conchal Biological Corridor.
Your Contribution in Action
GET INVOLVED!
Bring Your School or Group
Schedule a curriculum-aligned field study for your class or grade level.
Volunteer & Support!
Lead activities, support field monitoring, or collaborate in classroom sessions.
Join as a volunteer ⟶
Sponsor a School Project
Financie la gira de campo de un estudiante local o patrocine la visita de una escuela completa.
Donate Field Gear & Supplies
ield notebooks, binoculars, water shoes, or bilingual books — we will put them to great use.
Become a partner
Hotels, tour operators, and local businesses: let's build a lasting conservation partnership.
Have an idea?
Write to us directly — we would love to hear from you!
info@sosgrande.org
Playa Grande, Costa Rica
Art Gallery
Support us by purchasing exclusive pieces crafted by local artists. Every item, recovered from beach cleanups, is unique and sends a powerful message to reduce plastic impact on marine life.
Turning Waste into Art
The Mystery of Aura's Disappearance
Tatiana is a young girl visiting Las Baulas National Marine Park with her family. Alongside the mangrove hummingbird, she embarks on a quest to discover why Aura, the world's largest sea turtle, has not returned.
Valued by the participants
★★★★★
BOOK
Prefer another donation method?
We accept bank transfers, PayPal, and in-kind donations. Contact us for details.
Explore our projects
Every contribution translates into workshops, monitoring efforts, and beach cleanups across the Baulas–Conchal Biological Corridor.
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.
CONTACT
Playa Grande, Cabo Velas
Guanacaste, Costa Rica
✉ info@sosgrande.org
✆ +506 8378-9640
Lleve la educación ambiental al su grupo ↗