Exhibit 21
Pinnacle Entertainment, Inc.
List of Subsidiaries
| Subsidiary | State of Organization | |
| ACE Gaming, LLC | New Jersey | |
| AREH MLK LLC | Delaware | |
| AREP Boardwalk Properties LLC | Delaware | |
| Belterra Resort Indiana, LLC | Nevada | |
| BILOXI CASINO CORP. | Mississippi | |
| Boomtown, LLC | Delaware | |
| Brighton Park Maintenance Corp. | New Jersey | |
| Casino Magic Corp. | Minnesota | |
| Casino Magic Buenos Aires, SA | Argentina | |
| Casino Magic (Europe) B.V. | Netherlands | |
| Casino Magic Hellas Management Services, S.A. | Greece | |
| Casino Magic Management Services Corp. | Minnesota | |
| Casino Magic Neuquén SA | Argentina | |
| Casino One Corporation | Mississippi | |
| Double Bogey, LLC | Texas | |
| Landing Condominium, LLC | Missouri | |
| Louisiana-I Gaming, A Louisiana Partnership in Commendam | Louisiana | |
| Mitre Associates LLC | Delaware | |
| OGLE HAUS, LLC | Indiana | |
| Pinnacle Design & Construction, LLC | Nevada | |
| PNK (Baton Rouge) Partnership | Louisiana | |
| PNK (BOSSIER CITY), Inc. | Louisiana | |
| PNK (CHILE 1), LLC | Delaware | |
| PNK (CHILE 2), LLC | Delaware | |
| PNK Development 1, Inc. | Delaware | |
| PNK Development 2, Inc. | Delaware | |
| PNK Development 3, Inc. | Delaware | |
| PNK Development 4, Inc. | Delaware | |
| PNK Development 5, Inc. | Delaware | |
| PNK Development 6, Inc. | Delaware | |
| PNK Development 7, LLC | Delaware | |
| PNK Development 8, LLC | Delaware | |
| PNK Development 9, LLC | Delaware | |
| PNK Development 10, LLC | Delaware | |
| PNK Development 11, LLC | Nevada | |
| PNK Development 12, LLC | Nevada | |
| PNK Development 13, LLC | New Jersey | |
| PNK Development 14, LLC | Missouri | |
| PNK Development 15, LLC | Pennsylvania | |
| PNK Development 16, LLC | Indiana | |
| PNK Development 17, LLC | Nevada | |
| PNK (ES), LLC | Delaware | |
| PNK (EXUMA), LIMITED | Bahamas | |
| PNK (Kansas), LLC | Kansas | |
| PNK (LAKE CHARLES), L.L.C. | Louisiana | |
| PNK (RENO), LLC | Nevada | |
| PNK (SCB), L.L.C. | Louisiana | |
| PNK (STLH), LLC | Delaware | |
| PNK (ST. LOUIS RE), LLC | Delaware | |
| Port St. Louis Condominium, LLC (50% ownership) | Missouri | |
| President Riverboat Casino-Missouri, Inc. | Missouri | |
| PSW Properties LLC | Delaware | |
| Realty Investment Group, Inc. | Delaware | |
| St. Louis Casino Corp. | Missouri | |
| Yankton Investments, LLC | Nevada | |