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Exhibit 21.1

LIST OF SUBSIDIARIES

ARROWHEAD FESTIVAL L.L.C., an Arizona limited liability company

BILTMORE SHOPPING CENTER PARTNERS LLC, an Arizona limited liability company

BROAD RAFAEL ASSOCIATES (LIMITED PARTNERSHIP), a Pennsylvania limited partnership

BROAD RAFAEL PROPERTIES CORP., a Delaware corporation

CAMELBACK COLONNADE ASSOCIATES LIMITED PARTNERSHIP, an Arizona limited partnership

CAMELBACK COLONNADE PARTNERS, an Arizona general partnership

CAMELBACK COLONNADE SPE LLC, a Delaware limited liability company

CAMELBACK SHOPPING CENTER LIMITED PARTNERSHIP, an Arizona limited partnership

CHANDLER FESTIVAL SPE LLC, a Delaware limited liability company

CHANDLER GATEWAY PARTNERS, LLC, an Arizona limited liability company

CHANDLER GATEWAY SPE LLC, a Delaware limited liability company

CHANDLER VILLAGE CENTER, LLC, an Arizona limited liability company

CHRIS-TOWN VILLAGE ASSOCIATES, an Arizona general partnership

COOLIDGE HOLDING LLC, an Arizona limited liability company

CORTE MADERA VILLAGE, LLC, a Delaware limited liability company

CW SCOTTSDALE, LLC, a Delaware limited liability company

DANBURY MALL ASSOCIATES, LIMITED PARTNERSHIP, a Connecticut limited partnership

DANBURY MALL, LLC, a Delaware limited liability company

DANBURY MALL SPC, INC., a Delaware corporation

DB HOLDINGS LLC, a Delaware limited liability company

DEPTFORD MALL ASSOCIATES L.L.C., a New Jersey limited liability company

The Macerich Company    151

DESERT SKY MALL LLC, a Delaware limited liability company

DMA INVESTORS L.P., a Delaware limited partnership

EAST FLAGSTAFF PLAZA ASSOCIATES, an Arizona general partnership

EAST MESA LAND, L.L.C., a Delaware limited liability company

EAST MESA MALL, L.L.C., a Delaware limited liability company

EASTVIEW COMMONS, LLC, a New York limited liability company

EASTVIEW MALL, LLC, a Delaware limited liability company

FAIR I, LLC, a Delaware limited liability company

FAIR I SPC, INC., a Delaware corporation

FAIR II, LLC, a Delaware limited liability company

FAIR II SPC, INC., a Delaware corporation

FFC-PANORAMA, LLC, a Delaware limited liability company

FLAGSTAFF MALL ASSOCIATES LIMITED PARTNERSHIP, an Arizona limited partnership

FLAGSTAFF MALL SPE LLC, a Delaware limited liability company

FLATIRON ACQUISITION LLC, a Delaware limited liability company

FLATIRON PROPERTY HOLDING, L.L.C., an Arizona limited liability company

FREE RACE MALL REST., L.P., a New Jersey limited partnership

FREEHOLD I, LLC, a Delaware limited liability company

FREEHOLD I SPC, INC., a Delaware corporation

FREEHOLD II, LLC, a Delaware limited liability company

FREEHOLD II SPC, INC., a Delaware corporation

FREEMALL ASSOCIATES, LLC, a Delaware limited liability company

FREEMALL ASSOCIATES, L.P., a New Jersey limited partnership

152     The Macerich Company

FRM ASSOCIATES LIMITED PARTNERSHIP, a New Jersey limited partnership

FRMR B LLC, a Delaware limited liability company

FRMR, INC., a New Jersey corporation

GRANITE MALL GP, LLC, a Delaware limited liability company

GREAT EASTERN MALL, L.P., a New York limited partnership

GREAT NORTHERN HOLDINGS, LLC, a Delaware limited liability company

GREAT NORTHERN SPE, LLC, a Delaware limited liability company

GREECE RIDGE, LLC, a Delaware limited liability company

GREECE TOWNE MALL, L.P., a New York limited partnership

HUDSON PROPERTIES, L.P., a Delaware limited partnership

HUDWIL I, LLC, a Delaware limited liability company

HUDWIL I SPC, INC., a Delaware corporation

HUDWIL IV, LLC, a Delaware limited liability company

HUDWIL IV SPC, INC., a Delaware corporation

IMI WALLEYE LLC, a Delaware limited liability company

INA AND LA CHOLLA ASSOCIATES, an Arizona general partnership

JAREN ASSOCIATES #4, an Arizona general partnership

KIERLAND COMMONS INVESTMENT LLC, a Delaware limited liability company

KIERLAND GREENWAY, LLC, a Delaware limited liability company

KIERLAND MAIN STREET, LLC, a Delaware limited liability company

KIERLAND RESIDENTIAL/RETAIL I, LLC, a Delaware limited liability company

KIERLAND TOWER LOFTS, LLC, a Delaware limited liability company

KITSAPARTY, a Washington non-profit corporation

The Macerich Company    153

KTL INVESTMENT LLC, a Delaware limited liability company

LEE WEST, LLC, an Arizona limited liability company

LEE WEST II, LLC, a Delaware limited liability company

LOCKSLEY II, LLC, a Delaware limited liability company

LOCKSLEY II SPC, INC., a Delaware corporation

MACDAN CORP., a Delaware corporation

MACDB CORP., a Delaware corporation

MAC E-COMMERCE, LLC, a Delaware limited liability company

MACERICH BILTMORE CI, LLC, a Delaware limited liability company

MACERICH BILTMORE MM, LLC, a Delaware limited liability company

MACERICH BILTMORE OPI, LLC, a Delaware limited liability company

MACERICH BRISTOL ASSOCIATES, a California general partnership

MACERICH BUENAVENTURA GP CORP., a Delaware corporation

MACERICH BUENAVENTURA LIMITED PARTNERSHIP, a California limited partnership

MACERICH CARMEL GP CORP., a Delaware corporation

MACERICH CARMEL LIMITED PARTNERSHIP, a California limited partnership

MACERICH CERRITOS ADJACENT, LLC, a Delaware limited liability company

MACERICH CERRITOS MALL CORP., a Delaware corporation

MACERICH CERRITOS, LLC, a Delaware limited liability company

MACERICH CITADEL GP CORP., a Delaware corporation

MACERICH CITADEL LIMITED PARTNERSHIP, a California limited partnership

MACERICH CM VILLAGE GP CORP., a Delaware corporation

MACERICH CM VILLAGE LIMITED PARTNERSHIP, a California limited partnership

154     The Macerich Company

MACERICH CROSSROADS SPE LLC, a Delaware limited liability company

MACERICH DANBURY ADJACENT LLC, a Delaware limited liability company

MACERICH DEPTFORD LLC, a Delaware limited liability company

MACERICH EAST DEVELOPMENT LLC, a Delaware limited liability company

MACERICH EQ GP CORP., a Delaware corporation

MACERICH EQ LIMITED PARTNERSHIP, a California limited partnership

MACERICH FARGO ASSOCIATES, a California general partnership

MACERICH FAYETTEVILLE GP CORP., a Delaware corporation

MACERICH FAYETTEVILLE LIMITED PARTNERSHIP, a California limited partnership

MACERICH FIESTA MALL ADJACENT LLC, a Delaware limited liability company

MACERICH FIESTA MALL LLC, a Delaware limited liability company

MACERICH FM SPE LLC, a Delaware limited liability company

MACERICH FRESNO GP CORP., a Delaware corporation

MACERICH FRESNO LIMITED PARTNERSHIP, a California limited partnership

MACERICH GREAT FALLS GP CORP., a Delaware corporation

MACERICH GREELEY ASSOCIATES, LLC, a Delaware limited liability company

MACERICH GREELEY DEF LLC, a Delaware limited liability company

MACERICH GREELEY MM CORP., a Delaware corporation

MACERICH HILTON VILLAGE GP LLC, a Delaware limited liability company

MACERICH INLAND LLC, a Delaware limited liability company

MACERICH LA CUMBRE LLC, a Delaware limited liability company

MACERICH LA CUMBRE SPE LLC, a Delaware limited liability company

MACERICH LAKEWOOD, LLC, a Delaware limited liability company

The Macerich Company    155

MACERICH LUBBOCK GP CORP., a Delaware corporation

MACERICH LUBBOCK LIMITED PARTNERSHIP, a California limited partnership

MACERICH MANAGEMENT COMPANY, a California corporation

MACERICH MANHATTAN GP CORP., a Delaware corporation

MACERICH MANHATTAN LIMITED PARTNERSHIP, a California limited partnership

MACERICH MERCHANTWIRED, LLC, a Delaware limited liability company

MACERICH NORTHWESTERN ASSOCIATES, a California general partnership

MACERICH NP LLC, a Delaware limited liability company

MACERICH OAKS LLC, a Delaware limited liability company

MACERICH OAKS ADJACENT LLC, a Delaware limited liability company

MACERICH OAKS MEZZANINE LLC, a Delaware limited liability company

MACERICH OKLAHOMA GP CORP., a Delaware corporation

MACERICH OKLAHOMA LIMITED PARTNERSHIP, a California limited partnership

MACERICH OKLAHOMA WARDS PARCEL LLC, a Delaware limited liability company

MACERICH OXNARD, LLC, a Delaware limited liability company

MACERICH PACIFIC VIEW ADJACENT, LLC, a Delaware limited liability company

MACERICH PANORAMA SPE LLC, a Delaware limited liability company

MACERICH PPR CORP., a Maryland corporation

MACERICH PROPERTY EQ GP CORP., a Delaware corporation

MACERICH PROPERTY MANAGEMENT COMPANY, LLC, a Delaware limited liability company

MACERICH QUEENS ADJACENT GUARANTOR GP CORP., a Delaware corporation

MACERICH QUEENS EXPANSION, LLC, a Delaware limited liability company

MACERICH QUEENS GP CORP., a Delaware corporation

156     The Macerich Company

MACERICH QUEENS LIMITED PARTNERSHIP, a California limited partnership

MACERICH QUEENS THEATRE LLC, a Delaware limited liability company

MACERICH RIDGMAR LLC, a Delaware limited liability company

MACERICH RIMROCK GP CORP., a Delaware corporation

MACERICH RIMROCK LIMITED PARTNERSHIP, a California limited partnership

MACERICH SALISBURY B LLC, a Delaware limited liability company

MACERICH SALISBURY GL LLC, a Delaware limited liability company

MACERICH SANTA MONICA LLC, a Delaware limited liability company

MACERICH SANTA MONICA PLACE CORP., a Delaware corporation

MACERICH SANTAN PHASE 2 SPE LLC, a Delaware limited liability company

MACERICH SASSAFRAS GP CORP., a Delaware corporation

MACERICH SASSAFRAS LIMITED PARTNERSHIP, a California limited partnership

MACERICH SCG GP CORP., a Delaware corporation

MACERICH SCG GP LLC, a Delaware limited liability company

MACERICH SCG LIMITED PARTNERSHIP, a California limited partnership

MACERICH SOUTH TOWNE GP CORP., a Delaware corporation

MACERICH SOUTH TOWNE LIMITED PARTNERSHIP, a California limited partnership

MACERICH ST MARKETPLACE GP CORP., a Delaware corporation

MACERICH ST MARKETPLACE LIMITED PARTNERSHIP, a California limited partnership

MACERICH STONEWOOD CORP., a Delaware corporation

MACERICH STONEWOOD, LLC, a Delaware limited liability company

MACERICH TRUST LLC, a Delaware limited liability company

MACERICH TWC II CORP., a Delaware corporation

The Macerich Company    157

MACERICH TWC II LLC, a Delaware limited liability company

MACERICH TWENTY NINTH STREET LLC, a Delaware limited liability company

MACERICH TYSONS LLC, a Delaware limited liability company

MACERICH VALLEY RIVER CENTER LLC, a Delaware limited liability company

MACERICH VALLEY VIEW ADJACENT GP CORP., a Delaware corporation

MACERICH VALLEY VIEW ADJACENT LIMITED PARTNERSHIP, a California limited partnership

MACERICH VALLEY VIEW GP CORP., a Delaware corporation

MACERICH VALLEY VIEW LIMITED PARTNERSHIP, a California limited partnership

MACERICH VICTOR VALLEY LLC, a Delaware limited liability company

MACERICH VINTAGE FAIRE GP CORP., a Delaware corporation

MACERICH VINTAGE FAIRE LIMITED PARTNERSHIP, a California limited partnership

MACERICH VV SPE LLC, a Delaware limited liability company

MACERICH WALLEYE LLC, a Delaware limited liability company

MACERICH WESTBAR LLC, a Delaware limited liability company

MACERICH WESTCOR MANAGEMENT LLC, a Delaware limited liability company

MACERICH WESTSIDE ADJACENT GP CORP., a Delaware corporation

MACERICH WESTSIDE ADJACENT LIMITED PARTNERSHIP, a California limited partnership

MACERICH WESTSIDE GP CORP., a Delaware corporation

MACERICH WESTSIDE LIMITED PARTNERSHIP, a California limited partnership

MACERICH WRLP CORP., a Delaware corporation

MACERICH WRLP LLC, a Delaware limited liability company

MACERICH WRLP II CORP., a Delaware corporation

MACERICH WRLP II L.P., a Delaware limited partnership

158     The Macerich Company

MACJ, LLC, a Delaware limited liability company

MACW FREEHOLD, LLC, a Delaware limited liability company

MACW MALL MANAGEMENT, Inc., a New York corporation

MACW MIDWEST, LLC, a Delaware limited liability company

MACW PROPERTY MANAGEMENT, LLC, a New York limited liability company

MACW TYSONS, LLC, a Delaware limited liability company

MACWH, LP, a Delaware limited partnership

MACWPII LLC, a Delaware limited liability company

MAIB, LLC, a Delaware limited liability company

MARKETPLACE HENRIETTA, LLC, a New York limited liability company

MARKETPLACE MALL HOLDINGS LLC, a Delaware limited liability company

MARKETPLACE SPC, INC., a Delaware corporation

MERCHANTWIRED, LLC, a Delaware limited liability company

METROCENTER PERIPHERAL PROPERTY LLC, a Delaware limited liability company

METRORISING AMS HOLDING LLC, a Delaware limited liability company

METRORISING AMS MEZZ1 LLC, a Delaware limited liability company

METRORISING AMS MEZZ2 LLC, a Delaware limited liability company

METRORISING AMS OWNER LLC, a Delaware limited liability company

MIDCOR ASSOCIATES V, LLC, an Arizona limited liability company

MONTEBELLO PLAZA ASSOCIATES, an Arizona general partnership

MVRC HOLDING LLC, a Delaware limited liability company

MW INVESTMENT LLC, a Delaware limited liability company

NEW RIVER ASSOCIATES, an Arizona general partnership

The Macerich Company    159

NORTHGATE MALL ASSOCIATES, a California general partnership

NORTHPARK LAND PARTNERS, LP, a Delaware limited partnership

NORTHPARK PARTNERS, LP, a Delaware limited partnership

NORTHRIDGE FASHION CENTER LLC, a California limited liability company

NORTH VALLEY PLAZA ASSOCIATES, a California general partnership

PACIFIC PREMIER RETAIL TRUST, a Maryland real estate investment trust

PANORAMA CITY ASSOCIATES, a California general partnership

PARADISE WEST #1, L.L.C., an Arizona limited liability company

PARADISE WEST PARCEL 4, LLC, an Arizona limited liability company

PHXAZ/KIERLAND COMMONS, L.L.C., a Delaware limited liability company

PITTSFORD HOLDINGS LLC, a Delaware limited liability company

PITTSFORD PLAZA COMPANY, L.P., a New York limited partnership

PITTSFORD SPC, INC., a Delaware corporation

PPR CASCADE LLC, a Delaware limited liability company

PPR CREEKSIDE CROSSING LLC, a Delaware limited liability company

PPR CROSS COURT LLC, a Delaware limited liability company

PPR KITSAP MALL LLC, a Delaware limited liability company

PPR KITSAP PLACE LLC, a Delaware limited liability company

PPR LAKEWOOD ADJACENT, LLC, a Delaware limited liability company

PPR NORTH POINT LLC, a Delaware limited liability company

PPR REDMOND OFFICE LLC, a Delaware limited liability company

PPR REDMOND RETAIL LLC, a Delaware limited liability company

PPR SQUARE TOO LLC, a Delaware limited liability company

160     The Macerich Company

PPRT LAKEWOOD MALL CORP., a Delaware corporation

PPRT TRUST LLC, a Delaware limited liability company

PPR WASHINGTON SQUARE LLC, a Delaware limited liability company

PROMENADE ASSOCIATES, L.L.C., an Arizona limited liability company

PROPCOR ASSOCIATES, an Arizona general partnership

PROPCOR II ASSOCIATES, LLC, an Arizona limited liability company

RACEWAY ONE, LLC, a New Jersey limited liability company

RACEWAY TWO, LLC, a New Jersey limited liability company

RAILHEAD ASSOCIATES, L.L.C., an Arizona limited liability company

ROCHESTER MALLS, LLC, a Delaware limited liability company

ROTTERDAM SQUARE, LLC, a Delaware limited liability company

SANTAN FESTIVAL, LLC, an Arizona limited liability company

SANTAN VILLAGE PHASE 2 LLC, an Arizona limited liability company

SARWIL ASSOCIATES, L.P., a New York limited partnership

SARWIL ASSOCIATES II, L.P., a New York limited partnership

SCOTTSDALE/101 ASSOCIATES, LLC, an Arizona limited liability company

SCOTTSDALE FASHION SQUARE PARTNERSHIP, an Arizona general partnership

SDG MACERICH PROPERTIES, L.P., a Delaware limited partnership

SHOPPINGTOWN MALL HOLDINGS, LLC, a Delaware limited liability company

SHOPPINGTOWN MALL, LLC, a Delaware limited liability company

SHOPPINGTOWN MALL, L.P., a Delaware limited partnership

SM EASTLAND MALL, LLC, a Delaware limited liability company

SM EMPIRE MALL, LLC, a Delaware limited liability company

The Macerich Company    161

SM GRANITE RUN MALL, L.P., a Delaware limited partnership

SM MESA MALL, LLC, a Delaware limited liability company

SM PORTFOLIO LIMITED PARTNERSHIP, a Delaware limited partnership

SM RUSHMORE MALL, LLC, a Delaware limited liability company

SM SOUTHERN HILLS MALL, LLC, a Delaware limited liability company

SM VALLEY MALL, LLC, a Delaware limited liability company

SOUTHRIDGE ADJACENT, LLC, a Delaware limited liability company

SUPERSTITION SPRINGS HOLDING LLC, a Delaware limited liability company

THE MACERICH PARTNERSHIP, L.P., a Delaware limited partnership

THE MARKET AT ESTRELLA FALLS LLC, an Arizona limited liability company

THE MARKETPLACE, a New York limited partnership

THE WESTCOR COMPANY LIMITED PARTNERSHIP, an Arizona limited partnership

THE WESTCOR COMPANY II LIMITED PARTNERSHIP, an Arizona limited partnership

TOWNE MALL, L.L.C., a Delaware limited liability company

TOWNE SPC, Inc., a Delaware corporation

TUCK, LLC, a Delaware limited liability company

TUCK SPC, INC., a Delaware corporation

TWC BORGATA CORP., an Arizona corporation

TWC BORGATA HOLDING, L.L.C., an Arizona limited liability company

TWC CHANDLER LLC, a Delaware limited liability company

TWC HILTON VILLAGE HOLDINGS, L.L.C., an Arizona limited liability company

TWC HILTON VILLAGE, INC., an Arizona corporation

TWC PROMENADE L.L.C., an Arizona limited liability company

162     The Macerich Company

TWC SCOTTSDALE CORP., an Arizona corporation

TWC SCOTTSDALE HOLDING, L.L.C., an Arizona limited liability company

TWC SCOTTSDALE MEZZANINE, L.L.C., an Arizona limited liability company

TWC II-PRESCOTT MALL, LLC, a Delaware limited liability company

TWC II PRESCOTT MALL SPE LLC, a Delaware limited liability company

TWC II TUCSON, LLC, an Arizona limited liability company

TYSONS CORNER HOLDINGS LLC, a Delaware limited liability company

TYSONS CORNER LLC, a Virginia limited liability company

TYSONS CORNER PROPERTY HOLDINGS LLC, a Delaware limited liability company

TYSONS CORNER PROPERTY HOLDINGS II LLC, a Delaware limited liability company

TYSONS CORNER PROPERTY LLC, a Virginia limited liability company

TYSONS MALL CERTIFICATES, LLC, a Virginia limited liability company

WALLEYE RETAIL INVESTMENTS LLC, a Delaware limited liability company

WALLEYE TRS HOLDCO, INC., a Delaware corporation

WALTON RIDGMAR, G.P., L.L.C., a Delaware limited liability company

WEST ACRES DEVELOPMENT, LLP, a North Dakota limited liability partnership

WESTBAR LIMITED PARTNERSHIP, an Arizona limited partnership

WESTCOR/303 AUTO PARK LLC, an Arizona limited liability company

WESTCOR/303 LLC, an Arizona limited liability company

WESTCOR/BLACK CANYON MOTORPLEX LLC, an Arizona limited liability company

WESTCOR/BLACK CANYON RETAIL LLC, an Arizona limited liability company

WESTCOR/CASA GRANDE LLC, an Arizona limited liability company

WESTCOR/COOLIDGE LLC, an Arizona limited liability company

The Macerich Company    163

WESTCOR/GILBERT, L.L.C., an Arizona limited liability company

WESTCOR/GILBERT PHASE 2 LLC, an Arizona limited liability company

WESTCOR/GOODYEAR, L.L.C., an Arizona limited liability company

WESTCOR GOODYEAR PC LLC, an Arizona limited liability company

WESTCOR GOODYEAR RSC LLC, an Arizona limited liability company

WESTCOR LA ENCANTADA, L.P., a Delaware limited partnership

WESTCOR MARANA LLC, an Arizona limited liability company

WESTCOR MARANA SALES LLC, an Arizona limited liability company

WESTCOR/MERIDIAN LLC, an Arizona limited liability company

WESTCOR/MERIDIAN COMMERCIAL LLC, an Arizona limited liability company

WESTCOR/MERIDIAN MEDICAL LLC, an Arizona limited liability company

WESTCOR/MERIDIAN RESIDENTIAL LLC, an Arizona limited liability company

WESTCOR/PARADISE RIDGE, L.L.C., an Arizona limited liability company

WESTCOR PARTNERS OF COLORADO, LLC, a Colorado limited liability company

WESTCOR PARTNERS, L.L.C., an Arizona limited liability company

WESTCOR/QUEEN CREEK LLC, an Arizona limited liability company

WESTCOR/QUEEN CREEK COMMERCIAL LLC, an Arizona limited liability company

WESTCOR/QUEEN CREEK MEDICAL LLC, an Arizona limited liability company

WESTCOR/QUEEN CREEK RESIDENTIAL LLC, an Arizona limited liability company

WESTCOR REALTY LIMITED PARTNERSHIP, a Delaware limited partnership

WESTCOR SANTAN VILLAGE LLC, an Arizona limited liability company

WESTCOR/SURPRISE LLC, an Arizona limited liability company

WESTCOR/SURPRISE AUTO PARK LLC, an Arizona limited liability company

164     The Macerich Company

WESTCOR TRS LLC, a Delaware limited liability company

WESTDAY ASSOCIATES LIMITED PARTNERSHIP, an Arizona limited partnership

WESTLINC ASSOCIATES, an Arizona general partnership

WESTPEN ASSOCIATES, an Arizona general partnership

WILMALL ASSOCIATES, L.P., a New York limited partnership

WILRIDGE SPC, INC., a Delaware corporation

WILRIDGE, LLC, a Delaware limited liability company

WILSAR SPC, INC., a Delaware corporation

WILSAR, LLC, a Delaware limited liability company

WILTON MALL, LLC, a Delaware limited liability company

WILTON SPC, INC., a Delaware corporation

WM INLAND ADJACENT LLC, a Delaware limited liability company

WM INLAND INVESTORS IV, L.L.C., a Delaware limited liability company

WM INLAND, L.L.C., a Delaware limited liability company

WM INLAND (MAY) IV, L.L.C., a Delaware limited liability company

WM RIDGMAR, L.P., a Delaware limited partnership

WP CASA GRANDE RETAIL LLC, an Arizona limited liability company

The Macerich Company    165

QuickLinks

LIST OF SUBSIDIARIES