The present disclosure relates to a modular mat system. More particularly, the disclosure is directed to a modular mat system with that may be built out using common pieces of mats. Specifically, a modular mat system with a mat piece with a top plate with inserts, a bottom plate with a plurality of tabs and recesses operative to engage with further mat pieces to build a mat system is discussed. The modular mat system is operative to remove water and other detritus from shoes of a user or other such platform moving across the mat system and feed it to a perimeter drain below the system.