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EX-21 6 sixflags-q4x2024xex21subsi.htm SUBSIDIARIES Six Flags Entertainment Corporation/NEW - Subsidiaries of the Combined Company.

Exhibit 21
SUBSIDIARIES OF THE REGISTRANT
(As of December 31, 2024)

NameJurisdiction of Organization
9103-2359 Quebec Inc.Canada
Assenzio S.r.l.Italy
California's Great America LLCDelaware
Canada's Wonderland CompanyCanada (Nova Scotia)
Carowinds LLCDelaware
Cedar Fair Southwest Inc.Delaware
Cedar Point Park LLCDelaware
Cedar Point Sports Park LLCDelaware
Dorney Park LLCDelaware
Entertainment Services Latam S.A. de C.V.Mexico
Fiesta Texas Hospitality LLCTexas
Fiesta Texas, Inc.Texas
Flags Beverages, Inc.Texas
Funtime Parks, Inc.Delaware
Funtime, Inc.Ohio
Galveston Waterpark LLCDelaware
Geauga Lake LLCDelaware
GP Holdings Inc.Delaware
Great America LLCIllinois
Great Escape Holding Inc.New York
Great Escape Rides L.P.New York
Great Escape Theme Park L.P.New York
Hurricane Harbor GP LLCDelaware
Hurricane Harbor LPDelaware
Hurricane Harbor LP LLCDelaware
HWP Development Holdings LLCNew York
HWP Development LLCNew York
HWP Management, Inc.New York
Kings Dominion LLCDelaware
Kings Island CompanyDelaware
Kings Island Park LLC Delaware
Knott's Berry Farm LLCDelaware
Magic Mountain LLCCalifornia
Magnum Management CorporationOhio
Michigan's Adventure Park LLCDelaware
Michigan's Adventure, Inc.Michigan
Millennium Operations LLCDelaware
New Braunfels Waterpark LLCDelaware
Parc Six Flags Montreal Inc.Canada
Parc Six Flags Montreal, S.E.C.Canada
Park Management Corp.California
PP Data Services Inc.Texas



SUBSIDIARIES OF THE REGISTRANT - CONTINUED
(As of December 31, 2024)

NameJurisdiction of Organization
Premier International Holdings Inc.Delaware
Premier Parks Holdings Inc.Delaware
Riverside Park Enterprises, Inc.Massachusetts
Sawmill Creek LLCDelaware
SFG Holdings, Inc.Delaware
SFOG Acquisition A Holdings, Inc.Delaware
SFOG Acquisition A, Inc.Delaware
SFOG Acquisition B Holdings, Inc.Delaware
SFOG Acquisition B, L.L.C.Delaware
SFOG Acquisition Company LLCDelaware
SFOG II Employee, Inc.Delaware
SFOG II, Inc.Delaware
SFOT Acquisition I Holdings, Inc.Delaware
SFOT Acquisition I, Inc.Delaware
SFOT Acquisition II Holdings, Inc.Delaware
SFOT Acquisition II, Inc.Delaware
SFOT Employee, Inc.Delaware
SFOT II Holdings, LLCDelaware
SFT Holdings, Inc.Delaware
Six Flags America Inc.Colorado
Six Flags America LPMaryland
Six Flags America Property CorporationMaryland
Six Flags Concord LLCCalifornia
Six Flags Darien LLCNew York
Six Flags Darien Seasonal LLCNew York
Six Flags eCommerce LLCMaryland
Six Flags Frontier LLCOklahoma
Six Flags Great Adventure LLCNew Jersey
Six Flags Great America Holding LLCIllinois
Six Flags Great Escape L.P.New York
Six Flags International Development Co.Texas
Six Flags International Management CompanySaudi Arabia
Six Flags Mexico S.A. de C.V.Mexico
Six Flags MW LLCIllinois
Six Flags Oaxtepec S.A. de C.V.Mexico
Six Flags Operations Inc.Delaware
Six Flags Over Georgia II, L.P.Delaware
Six Flags Over Georgia, Inc.Delaware
Six Flags Over Texas, Inc.Delaware
Six Flags Phoenix LLCArizona
Six Flags Services of Illinois, Inc.Delaware
Six Flags Services, Inc.Delaware
Six Flags Splashtown LLCTexas




SUBSIDIARIES OF THE REGISTRANT - CONTINUED
(As of December 31, 2024)

NameJurisdiction of Organization
Six Flags St. Louis LLCMissouri
Six Flags Theme Parks Inc.Delaware
Six Flags WW Bay LLCOklahoma
Station Development Associates LPDelaware
Station Development, Inc.New York
Stuart Amusement CompanyMassachusetts
Texas Flags, Ltd.Texas
Valleyfair LLCDelaware
Ventas y Servicios al Consumidor S.A. de C.V.Mexico
Wonderland Company Inc.Delaware
Worlds of Fun LLC Delaware