Eco-Friendly Hotels in Guanacaste — Your 2026 Guide to Sustainable Stays

Why Guanacaste for Sustainable Travel

The Área de Conservación Guanacaste protects 147,000 hectares stretching from Pacific coast mangroves to 2,000-metre volcanic summits — one of only three places on earth where tropical dry forest, cloud forest, and rainforest converge in a single conservation area. The tropical dry forest here was almost entirely destroyed for cattle ranching by the 1970s. Since then, ecologist Daniel Janzen's pioneering restoration programme has allowed over 60,000 hectares to regenerate — the largest tropical dry forest restoration project in history.

Costa Rica generates over 98% of its electricity from renewable sources, and Guanacaste contributes significantly through geothermal plants at Miravalles and Rincón de la Vieja volcanos. The province's tourism industry has embraced the national CST (Certification for Sustainable Tourism) system, with many lodges earning its highest ratings for energy efficiency, waste management, and community impact.

The Pacific coast offers one of the planet's great wildlife spectacles: the olive ridley turtle arribada at Ostional, where hundreds of thousands of turtles arrive simultaneously to nest on a single beach between July and December. It's one of only seven beaches in the world where this mass nesting occurs. Whale watching (humpbacks, from December to April), surf breaks from beginner to expert level, and some of the best scuba diving in Central America round out the coast.

Best Areas for Eco-Conscious Stays

Rincón de la Vieja — Volcano and Hot Springs

The national park's western slopes host eco-lodges with access to volcanic hot springs, mud baths, and waterfall hikes through dry forest. Las Pailas trail passes bubbling mud pots, fumaroles, and volcanic vents. The Oropéndola waterfall plunges 25 metres into a blue swimming hole. Lodges here range from basic cabinas to comfortable hacienda-style properties. Most use geothermal or solar heating. The park entrance is 25 km from Liberia.

Nosara — Surf and Yoga Hub

Nosara has cultivated a sustainable-tourism identity more deliberately than almost anywhere in Costa Rica. The town enforces strict building codes — nothing taller than the treeline — and maintains large biological corridors between developments. Playa Guiones delivers one of the most consistent surf breaks in the country, while the town's yoga scene rivals anything in Bali or Tulum. The Nosara Biological Reserve protects mangrove coastline where crocodiles, monkeys, and scarlet macaws are daily sightings.

Tamarindo — The Accessible Option

The most developed beach town in Guanacaste offers the widest range of accommodation, restaurants, and tour operators. Playa Grande, just north across an estuary, is one of the most important leatherback turtle nesting sites in the eastern Pacific — Las Baulas National Park protects the beach and runs guided night tours during nesting season (October–February). Tamarindo's central location makes it a good base for day trips to Rincón de la Vieja, Palo Verde wetlands, and the Papagayo Peninsula.

Sustainable Things to Do in Guanacaste

Rincón de la Vieja National Park — Two trail systems explore volcanic craters, hot springs, and waterfalls. Las Pailas (3.5 km loop) passes the most dramatic geothermal features. The summit trail (16 km return) reaches the active crater at 1,895 metres — permit required, early morning starts mandatory. Palo Verde National Park protects one of Central America's most important wetlands — boat tours down the Tempisque River reveal massive bird colonies, crocodiles, and howler monkeys.

Ostional turtle arribada — During new and third-quarter moons from July to December, olive ridley turtles arrive by the hundreds of thousands to nest at Ostional beach. Community guides lead small groups onto the beach at night. This is genuinely one of the world's great wildlife events, and it happens at a community-managed reserve where local families serve as guides and guardians. Fees go directly to the village.

Diving at Catalina Islands — The rocky islets off Playa Flamingo offer some of the best diving in Costa Rica. Giant manta rays (up to 5-metre wingspan), bull sharks, and schools of mobula rays are regular encounters. Visibility peaks in the dry season (December–April). Multiple dive operators run two-tank trips from Tamarindo, Flamingo, and Playas del Coco.

How IMPT Makes Your Guanacaste Stay Carbon-Negative

Here's the maths. An average hotel night produces roughly 35 kg of CO₂ — from air conditioning, laundry, lighting, and food service. When you book any Guanacaste hotel through IMPT, we retire 1,000 kg of UN-verified carbon removal credits. That's 28 times what your stay produces. Not carbon-neutral — carbon-negative.

The cost to you? Zero. IMPT funds the removal from its booking commission. You pay the standard nightly rate — in fact, IMPT offers the same rate as Booking.com on the same room, with carbon removal built in. The carbon credits are tokenised on Ethereum, retired against a named project, with a public retire code anyone can verify. No double-counting. No greenwashing. Just verified carbon removal, every night.

• €5 free credit when you sign up — applied to your first Guanacaste booking
• 5% back on every stay — 3% funds carbon projects, 2% as travel credit
• 8M+ hotels worldwide, 195 countries — Guanacaste is just the start
• Free cancellation on most rates, typically up to 48 hours before check-in

Beyond Hotels — More Ways IMPT Works in Guanacaste

Shop through IMPT's 25,000+ retail partners for cashback on purchases that also offset carbon. Send someone a trip credit gift to visit Guanacaste — IMPT plants trees with named farmers, GPS-tagged and photo-verified.

For business travel, IMPT's B2B Corporate Travel platform gives you exclusive rates, automatic ESG reporting, and a single dashboard tracking every booking's carbon impact. Companies with CSRD compliance needs get automated sustainability reporting out of the box.

Interested in running IMPT in Costa Rica? Country Ownership offers 50% revenue share on every transaction from Costa Rica-registered users, with 8% APY staking yield. Book a call →