As of June 2024, the largest casino in the world was the WinStar World Casino & Resort located in Oklahoma in the United States. The casino was approximately 600 thousand square feet in size.

#1: Mohegan Sun - Uncasville, Connecticut\n\n They have over 300,000 square feet of gamine within two unique casinos. The Casino of the Earth and the Casino of the Sky. There are two luxury hotel towers with a total of 1,563 rooms, and two world-class spas.