La Serrana  (Salento, Colombia)
La Serrana, located in the Los Nevados mountain range, offers everything from mountain biking, rock climbing, coffee tours, as well as free breakfast & an onsite restaurant serving up fresh foods from their organic vegetable garden. Choose between their dormitory style rooms or a private, all including hot water & ensuite bathrooms. Find out more about La Serrana hostel here: 
http://laserrana.com.co/

Eco Pampa Palermo (Buenos Aires, Argentina)
Located in the heart of Palermo Soho, this hostel collaborates with the environment making the best use of the vital natural resources, while still catering to the facility & service of guests. The eco hostel is surrounded by art galleries, bars, design shops, green spaces, & restaurants. Find out more about Eco Pampa Palermo here: 
http://www.hostelpampa.com.ar/menu-ing.html

Kapawi Ecolodge & Reserve (Amazon, Ecuador)
The Kapawi Lodge is one of the most remote lodges in the world, located deep in the Achuar territory. Far from any kind of civilization, Kapawi Ecolodge & Reserve is one of the most culturally sensible & ecologically responsible Amazon Jungle Ecolodges a traveler will find. Get more information here: http://www.kapawi.com/the-ecolodge.html

Caiman Ecolodge Refuge (Miranda, Brazil)
In 1985 the Caiman Lodge was established as the first ecotourism operation in the Southern Pantanal of Mato Grosso do Sul. The Caiman Lodge is a part of the Caiman Ecological Refuge which is located on a 53 thousand hectare ranch. The Ecological Refuge also operates a domestically & internationally recognized Nature Conservation Program. The visitors staying at the lodge have the opportunity to get close to the Pantanal's culture & nature. Find out more about the Caiman Ecolodge Refuge here: http://en.caiman.com.br/

Paraiso Lodge (Colca Canyon, Peru)
Oasis Paraiso is an ecolodge in the middle of Colca Canyon. With recycled wood used for all the tables & chairs and hot water from solar-heated tanks, The owners of Paraiso Lodge "are idealists who believe that living in a sustainable way can help combat climate change." This ecolodge is truly a paradise while hiking Colca Canyon- read my article about the hike here: http://www.themindfulexplorer.com/blog/colca-canyon-hike-in-peru  and find out more about the hostel here: https://www.oasisparaisoecolodge.com/

Black Sheep Inn (Chucchilan, Ecuador)
High in the Andes Mountains in Ecuador, Black Sheep Inn is 100% community operated. This ecologically friendly lodge is inexpensive and is the perfect place for day hikers to come and explore the diverse ecosystems and centuries-old culture. Their ecological conservation projects have won tons of awards including World's Best Hotels by National Geographic Traveler's 2011 Stay and Green Hotelier Award 2015- Best in the Americas. Find out more about Black Sheep in here: http://www.blacksheepinn.com/

Chalalán Ecolodge (Madidi National Park, Bolivia)
Located on the shore of the Chalalán Lagoon, this comfortable & luxurious ecolodge uses local materials to respect the traditional building styles of the San José de Uchupiamonas community. The Tacana-style cabins are surrounded by virgin forest & can lodge up to 30 people. You can also count on safe boat transportation, the highest quality food, & a professional staff to satisfy your needs. Read more about the Chalalán Ecolodge here: http://www.chalalan.com/chalalan_en.php