Our modern eco-friendly cave with inner surface approx. 50 m2 excavated in tuff, consists: A spacious bathroom with marble facing, equipped with jaccuzzi high-end shower, 100% adapted for people with disabilities, amenities such as hair straighteners, hair dryer, magnifying mirror, set ecological toilet and more. The eco cave can accommodate 4 people; it has 4 single beds; two in a cozy master bedroom with Smart TV of 32'' and desk, and two beds of Japanese style in a modern loft that is integrated into the upper area of living kitchen, They also have a sofa bed for those who prefer to sleep on the ground floor. In the main room, you are located; a full equipped and adapted modern kitchen, living - dining room with 32'' Smart TV, satellite TV with international channels, fireplace, free Wi-Fi access 24/7 and a comfortable sofa bed for one person. The main entrance of the cave has a cozy sunroom of 15m2 which allows stargazing with maximum comfort in both winter and summer. For better observation, we have a Konus telescope that will be available. The outside area has more than 8,000 m2, of which 1500 are currently available for guests; divided into several areas; organic orchard with fruit trees and exotic country, herbs, vegetables, and more. Gardens with reading areas and outdoor pool with solarium, all this, to share with the hosts. All intervention has been done with respect for the environment, being the least invasive as possible. We have followed the patterns of bioclimatic architecture and zero kilometer architecture, reusing 90% of the water consumed and then using it for irrigation, soon also will produce our own energy. The km 0 architecture is a concept that within the possibilities offered by the market and the medium tries to solve the material needs by going first to the resources found in the soil itself, and as a second option, to companies as close as possible to count on friendly policy environment duly certified, this reduces the ecological footprint of the work, as it reduces the amount of fuel needed to move materials, in addition to promoting local development and using techniques and materials that have traditionally been used in the place where the construction is located. The average annual temperature is 21º our accommodation without energy expenditure. The wood used comes from sustainable forests and paints, varnishes etc. This modern and welcoming space are free of emissions and volatile organic compounds, creating a healthy and welcoming like few others, which will make our cave a place of relaxation where to live and sleep will become a totally new experience for the visitor. Sleep in comfort and silence of a cave is a unique experience that will not leave anyone indifferent to prove it.