Exhibit 21

Subsidiaries of MGM Resorts International

Listed below are the majority-owned subsidiaries of MGM Resorts International as of December 31, 2021. The names of certain subsidiaries have been omitted because considered in the aggregate as a single subsidiary they would not constitute a significant subsidiary.

Blue Tarp reDevelopment, LLC			Massachusetts
Destron, Inc.			Nevada
Destron International Corp.			Philippines
MGM Grand (International), Pte Ltd.			Singapore
MGM Resorts International Marketing, Inc.			Nevada
MGM Resorts International Marketing, Ltd.			Hong Kong
Las Vegas Arena Management, LLC			Nevada
Mandalay Resort Group, LLC			Nevada
550 Leasing Company II, LLC			Nevada
Circus Circus Casinos, Inc.			Nevada
Mandalay Bay, LLC			Nevada
Mandalay Employment, LLC			Nevada
Mandalay Place LLC			Nevada
MGM Resorts Festival Grounds, LLC			Nevada
MGM Resorts Festival Grounds II, LLC			Nevada
MGM Resorts Mississippi, LLC			Mississippi
Park MGM, LLC (f/k/a Victoria Partners, LLC)			Nevada
Arena Land Holdings, LLC			Nevada
New York-New York Tower, LLC			Nevada
Park District Holdings, LLC			Nevada
New Castle, LLC			Nevada
Ramparts, LLC			Nevada
Circus Circus Holdings, Inc.			Nevada
Vintage Land Holdings, LLC			Nevada
Northfield Park Associates LLC			Ohio
Cedar Downs OTB, LLC			Ohio
Beau Rivage Resorts, LLC			Mississippi
Metropolitan Marketing, LLC			Nevada
MMNY Land Company, Inc.			New York
MGM Detroit Holdings, LLC (f/k/a MGM Grand Detroit, Inc.)			Delaware
MGM Grand Detroit, LLC			Delaware
MGM Grand Hotel, LLC			Nevada
The Signature Condominiums, LLC			Nevada
Signature Tower I, LLC			Nevada
Signature Tower 2, LLC			Nevada
Signature Tower 3, LLC			Nevada
MGM Growth Properties LLC			Delaware
MGM Growth Properties OP GP LLC			Delaware
MGM Growth Properties Operating Partnership LP			Delaware
MGP JV Investco 1 LLC			Delaware
MGP BREIT Venture 1 LLC*			Delaware
MGM Grand Propco, LLC*			Delaware
Mandalay Propco, LLC*			Delaware
MGP Finance Co-Issuer Inc.			Delaware
MGP Lessor Holdings, LLC			Delaware
MGP Lessor, LLC			Delaware
YRL Associates L.P.			New York

MGP Yonkers Realty Sub, LLC			New York
MGM Springfield reDevelopment, LLC			Massachusetts
MGP Lessor II, LLC			Delaware
MGM Hospitality, LLC			Nevada
MGM Hospitality Global, LLC MGM Hospitality International, LP MGM Hospitality International, GP, Ltd.			Nevada Cayman Islands Cayman Islands
MGM Hospitality Holdings, LLC			Dubai
MGM Hospitality Development, LLC			Dubai
MGM Hospitality International Holdings, Ltd.			Isle of Man
MGM Asia Pacific Limited (f/k/a MGM Resorts China Holdings Limited)			Hong Kong
MGM (Beijing) Hospitality Services Co., Ltd.			Beijing
MGM Hospitality India Private, Ltd.			India
MGM International, LLC			Nevada
MGM Resorts International Holdings, Ltd.			Isle of Man
MGM China Holdings, Ltd.			Cayman Islands
MGM Resorts West Japan, LLC			Japan
MGM Japan Indirect Holdco I, LLC			Nevada
MGM Japan Holdco LP			Nevada
MGM Resorts Japan, LLC			Japan
MGM Japan Indirect Holdco II, LLC			Nevada
MGM Lessee, LLC			Delaware
MGM Lessee II, LLC			Delaware
MGM National Harbor, LLC			Nevada
MGM Resorts Advertising, Inc.			Nevada
VidiAd			Nevada
MGM Resorts Arena Holdings, LLC			Nevada
MGM Resorts Development, LLC			Nevada
MGM Resorts Global Development, LLC			Nevada
MGM Resorts International Operations, Inc.			Nevada
MGM Resorts Land Holdings, LLC			Nevada
MGM Resorts Interactive, LLC			Nevada
MGM Resorts Regional Operations, LLC MGM Resorts Retail			Nevada Nevada
MGM Resorts Sub 1, LLC			Nevada
Las Vegas Basketball Ventures, LLC			Nevada
MGM Resorts Satellite, LLC			Nevada
MGM Resorts Sub B, LLC			Nevada
MGM Public Policy, LLC			Nevada
Park Theater, LLC			Nevada
Grand Garden Arena Management, LLC			Nevada
MGM Resorts Venue Management, LLC			Nevada
MGM MA Sub, LLC (f/k/a MGM Springfield, LLC)			Massachusetts
MGMM Insurance Company			Nevada
Mirage Resorts, LLC			Nevada
AC Holding Corp.			Nevada
AC Holding Corp. II			Nevada
Bellagio, LLC			Nevada
LV Concrete Corp.			Nevada
MAC, CORP.			New Jersey
Marina District Development Holding Co., LLC			New Jersey
Marina District Development Company, LLC (dba Borgata)			New Jersey

MGM Resorts Aviation Corp.			Nevada
MGM Resorts Corporate Services			Nevada
MGM Resorts Design & Development			Nevada
MGM Resorts Manufacturing Corp.			Nevada
MH, Inc.			Nevada
Mirage Laundry Services Corp.			Nevada
MGM CC, LLC			Nevada
Project CC, LLC			Nevada
Aria Resort & Casino, LLC			Nevada
CityCenter Facilities Management, LLC			Nevada
CityCenter Realty Corporation			Nevada
CityCenter Retail Holdings Management, LLC			Nevada
Vdara Condo Hotel, LLC			Nevada
CityCenter Holdings, LLC			Delaware
MGM Lessee III, LLC			Delaware
CityCenter Land, LLC			Nevada
CityCenter Boutique Hotel Holdings, LLC			Nevada
CityCenter Boutique Residential Development, LLC			Nevada
CityCenter Harmon Development, LLC			Nevada
CityCenter Harmon Hotel Holdings, LLC			Nevada
CityCenter Veer Towers Development, LLC			Nevada
CityCenter Retail Holdings, LLC			Nevada
Aria Resort & Casino Holdings, LLC			Nevada
CityCenter Vdara Development, LLC			Nevada
MGM CC Holdings, Inc.			Nevada
New York-New York Hotel & Casino, LLC			Nevada
PRMA, LLC			Nevada
PRMA Land Development Company			Nevada
The Mirage Casino-Hotel, LLC			Nevada
MGM Sports & Interactive Gaming, LLC			Delaware
MGM Live Event Ventures, LLC			Nevada
MGM Dev, LLC			Delaware
MGM Yonkers, Inc.			New York
MGM Resorts Sub X, LLC			Delaware
MGM Resorts Sub Y, LLC			Delaware
MGM Resorts Sub Z, LLC			Delaware
Grand Laundry, Inc.			Nevada
Tower B, LLC			Nevada
Tower C, LLC			Nevada
Vendido, LLC			Nevada

*MGP BREIT Venture 1 LLC is owned 50.1% by MGP JV Investco 1 LLC and 49.9% by BCORE Windmill Parent LLC. MGP BREIT Venture 1 LLC is not controlled by the registrant or its subsidiaries and, accordingly it, and its subsidiaries, are not consolidated in the registrant’s financial statements.