In addition to Capital One Arena - a venue which hosts 3M+ visitors across over 250 events annually, MSE also manages MedStar Capitals Iceplex (training facility for the Capitals), MedStar Health Performance Center (training facility for the Wizards, Mystics, and Go-Go) and EagleBank Arena (a 12,000+ live event venue on George Mason University's campus).In July 2020, MSE partnered with William Hill (subsequently acquired by Caesars Entertainment) to open the first ever in-arena sportsbook in North America, now called Caesars Sportsbook. MSE owns and operates seven major and minor sports teams: 2018 NHL Stanley Cup Champion Washington Capitals, NBA's Washington Wizards, WNBA's 2019 Championship Washington Mystics, NBA G League's Capital City Go-Go, 2021 & 2020 NBA 2K League Champion Wizards District Gaming and Caps Gaming, an esports sub-brand of the Capitals.