This paper examines some of the properties and potential applications of montmorillonite, which is a type of clay in the smectite group, and its importance in achieving some of the Sustainable Development Goals. This paper points to some of the unique attributes that the mineral has, most of which lie in its capacity to retain water and provide essential nutrients, thus improving soil quality. Soilless growth media that contain montmorillonite can improve plant growth and make better use of reso