Own your piece of conservation in a Costa Rican biological corridor

The coastal CO₂ vaults where forests meet sea

Mangrove forests cover less than 0.1% of the Earth's surface, yet collectively provide essential ecosystem services valued at trillions of dollars annually. These ecosystems protect coastlines by buffering erosion, reducing storm surges, stabilizing sediments, and filtering pollutants to improve water quality. They absorb up to 10 times more CO₂ than upland forests, serve as nurseries for endangered species, and support fisheries and aquaculture. Mangroves also provide raw materials such as honey, timber, and medicinal resources — making them an irreplaceable natural asset with immense ecological and intrinsic value.

🌳 Why Mangroves?

A host to 6% of the world's biodiversity

From the 80 different species of mangroves in the world 15% can be found in North and Central America. In fact, 7 from those 80 species, can only be found in Costa Rica. Costa Rica alone is home to 6% of the world's biodiversity. According to data from Global Mangrove Watch, in 2020 the Central America and Caribbean region hosted around 20,500 km² of mangroves, representing 14% of the world's mangrove coverage.

🇨🇷 Why Costa Rica?

A unique piece of Costa Rican biodiverse nature

The Nambi Sanctuary hosts the closest mangrove ecosystem to the Costa Rican capital of San José. The area is one of the richest in the country, home to a large amount of wildlife including 4 of the 5 species of mangroves in the country, as well as scarlet and green macaws, parakeets, hawks, ospreys, kingfishers, blue and green herons, basilisk-type lizards, crabs, white-face & howler monkeys, and a population of clams and oysters that play a crucial role in cleaning the Grande de Tárcoles River, the most contaminated in Central America.

🐊 Why Nambi Sanctuary?

Central America's most polluted river

The Grande de Tárcoles River flows 111 km from Costa Rica’s Central Volcanic Range to the Gulf of Nicoya, draining a watershed that serves nearly half the country’s population. It forms the northern boundary of Carara National Park and supports diverse wildlife, including the American crocodile and dozens of bird species. Despite its ecological value, it is heavily polluted—carrying 67% of the nation's untreated waste and over 211,000 kg of plastic into the ocean each year. A 400,000-liter diesel spill in 2000 further damaged this critical ecosystem.

🌊 The Grande de Tárcoles

The $NAMBI regenerative token

As a Regenerative Finance (ReFi) project, $NAMBI reimagines how we assign value in a world facing climate collapse. Instead of chasing returns through extraction or speculation, $NAMBI is not only tied to one of the most important ecosystems in Costa Rica, but also channels capital toward tangible ecological impact — funding conservation, restoring degraded ecosystems, empowering science & education, and uplifting community resilience.

🌎 Our Project

Our Impact Strategy

💚 Use of Funds

Stewardship of the Nambi Sanctuary

Implementation of dMRV technology

Investment in ecosystem certificates

Hire a dedicated ranger team to safeguard the Sanctuary and its endangered species as part of our climate resilience strategy.

Monitor the environmental conditions, vegetation status, and CO₂ absorption of the land through dMRV technology.

Invest in studies and certifications with renowned environmental organizations that help the project accrue tangible value.

Beyond preserving the mangrove, we’re building a larger vision. Every token purchase directly funds conservation, ecosystem restoration, scientific research, environmental education, and community development. 100% of token sale proceeds are donated to scale our impact and build a circular, nature-positive economy.

Environmental awareness

Develop media campaigns and strategic communication initiatives to influence global environmental policies.

Launch a mangrove metaverse experience

Launch our own metaverse experience were users can visualize token impact and engage with the Nambi Sanctuary.

Establish our dedicated research facility by investing in moderate physical infrastructure for labs and offices.

Build our scientific research hub

In partnership with

Clean the Grande de Tárcoles River

Intercepting waste in Central America's dirtiest river basin — a top 1,000 ocean polluter — before it reaches the sea.

A waste repurposing center

A sorting and classification center that will distribute waste into appropiate management and treatment facilities.

Enhancing the Nambi Sanctuary's facilities with trails, observation towers, and eco-friendly ammenities.

Infrastructure from repurposed waste

In collaboration with

Address

From the Playa Guacalillo Cliff, four kilometers south, Tarcoles, Garabito, Puntarenas Province, Costa Rica.

Contact us

info@nambisanctuary.org

+506 8470-9120

© 2025 Nambi Sanctuary Foundation. All rights reserved.