The quest for exploration and the innate desire to expand our horizons have been the driving forces behind some of our greatest achievements. As we stand on the precipice of a new era, the dream of establishing a sustainable human settlement on Mars has captured the collective imagination of scientists, engineers, and visionaries alike. This short eBook embarks on a superficial exploration of the technological challenges and solutions that must be considered in our pursuit of a viable and enduring Martian habitat. This is the 3rd Public Domain book by the author Martin Tobias Lithner, written in 2019 and completed 2023.