the invention concerns the structure of a “ submerged underwater observation booth ”, including a floating station on water surface , and a piping system to convey fresh air and power into the submerged booth . the submerged booth provides an atmospheric environment with all the necessary equipment and facilities to a person doing underwater observation or research . the submerged booth can travel underwater in both vertical and horizontal directions . the submerged booth is designed either in the shape of a cylinder with two half - spheres at both ends , or in the shape of a sphere , with clear plastic wall all around , to provide the observer with maximum viewing angle . the invention aims to provide a system for a wide application area and many purposes of use under water such as : exploration , tourist , research , maintenance , repair , etc . . . .