EXHIBIT 21 Page 1 of 5 HOST MARRIOTT CORPORATION SUBSIDIARIES 1) Camelback Inn Associates Limited Partnership 2) Hanover Hotel Acquisition Corporation 3) HMC AP GP, Inc. 4) HMC AP GP LLC 5) HMC Atlanta Marquis Corporation 6) HMC BN Corporation 7) HMC Charlotte GP, Inc. 8) HMC Charlotte GP LLC 9) HMC Gateway, Inc. 10) HMC MHP II, Inc. 11) HMC Pavilion, Inc. 12) HMC Real Estate LLC 13) HMC Toronto Airport GP, Inc. 14) HMC Toronto Airport GP LLC 15) HMC Toronto EC GP, Inc. 16) HMC Toronto EC GP LLC 17) HMC Ventures, Inc. 18) Host Marriott Financial Trust 19) Host Marriott Hospitality LLC 20) Host Marriott, L.P. 21) Hotel Properties Management Inc. 22) Marriott Hanover Hotel Corporation 23) Marriott MDAH One Corporation 24) Marriott Properties Inc. 25) Marriott MHP Two Corporation 26) MHP Acquisition Corporation 27) MHP II Acquisition Corporation 28) MHP Two LLC 29) MOHS Corporation 30) Mutual Benefit/Marriott Hotel Associates I, L.P. 31) Philadelphia Airport Hotel Corporation 32) Philadelphia Market Street Hotel Corporation 33) S.D. Hotels, Inc. 34) HMC SPE Manager I Corporation 35) Airport Hotels LLC 36) Host of Boston, Ltd. 37) Host of Houston, Ltd. 38) Host of Houston 1979 39) Chesapeake Financial Services LLC 40) CHLP Finance LP 41) City Center Interstate Partnership LLC 42) Host/Interstate Partnership, L.P. 43) Deerfield Capital Trust 44) Farrell's Ice Cream Parlor Restaurants LLC 45) HMC Amelia I LLC EXHIBIT 21 Page 2 of 5 HOST MARRIOTT CORPORATION AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued) 46) HMC Amelia II LLC 47) Ameliatel 48) HMC Atlanta LLC 49) Atlanta Marriott Marquis II L.P. 50) Ivy Street Hotel L.P. 51) HMA-GP LLC 52) HMA Realty L.P. 53) Ivy Street MPF LLC 54) Marriott/Portman Finance Corporation 55) HMC Burlingame LLC 56) HMC Burlingame II LLC 57) HTKG Development Associates, L.P. 58) HMC California Leasing LLC 59) HMC Cambridge LLC 60) HMC Capital LLC 61) HMC Capital Resources LLC 62) HMC Park Ridge LLC 63) HMC Park Ridge II LLC 64) HMC Park Ridge LP 65) HMC Partnership Holdings LLC 66) HMC/Interstate Ontario, L.P. 67) Host Park Ridge LLC 68) HMC Suites LLC 69) Marriott Suites L.P. 70) PRM LLC 71) Wellsford Park Ridge Marriott Hotel L.P. 72) YBG Associates LLC 73) HMC Chicago LLC 74) Mutual Benefit Chicago Marriott Suite Hotel Partners, L.P. 75) HMC Desert LLC 76) Desert Springs Marriott L.P. 77) HMC DSM LLC 78) DS Hotel LLC 79) HMC Diversified LLC 80) Marriott Diversified American Hotels, L.P. 81) HMC East Side II LLC 82) HMC East Side LLC 83) East Side Hotel Associates, L.P. 84) HMC Gateway LLC 85) HMC Grand LLC 86) HMC Hanover LLC 87) Hanover Marriott L.P. 88) HMC Hartford LLC 89) HMC/RGI Hartford, L.P. 90) HMC Hotel Development LLC 91) HMC HT LLC 92) HMC IHP Holdings LLC EXHIBIT 21 Page 3 of 5 HOST MARRIOTT CORPORATION AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued) 93) IHP Holdings Partnership, L.P. 94) HMC Manhattan Beach LLC 95) HMC/Interstate Manhattan Beach L.P. 96) HMC Market Street LLC 97) New Market Street L.P. 98) Philadelphia Market Street Marriott Hotel L.P. 99) HMC Mexpark LLC 100) HMC Polanco LLC 101) HMC NGL LLC 102) HMC OLS I LLC 103) HMC OLS I L.P. 104) HMC OLS II L.P. 105) HMC OP BN LLC 106) HMC Pacific Gateway LLC 107) Pacific Gateway Ltd. 108) Marina Hotel LLC 109) San Diego HMC Marina LLC 110) HMC Potomac LLC 111) Potomac Hotel L.P. 112) HMC Properties I LLC 113) Marriott Hotel Properties L.P. 114) Lauderdale Beach Association 115) HMC Properties II LLC 116) HMC MHP II LLC 117) Marriott Hotel Properties II L.P. 118) Santa Clara Marriott Hotel L.P. 119) HMC Reston LLC 120) HMC Retirement Properties LLC 121) HMC Retirement Properties L.P. 122) HMH Marina LLC 123) HMC RTZ Loan I LLC 124) HMC RTZ Loan II LLC 125) HMC RTZ Loan L.P. 126) HMC RTZ II LLC 127) HMC RTZ Management LLC 128) RAJ Boston Associates 129) HMC Seattle LLC 130) HMC SFO LLC 131) HMC Swiss Holdings LLC 132) BRE/Swiss LLC 133) HMC Waterford LLC 134) HMC/Interstate Waterford 135) HMH General Partner Holdings LLC 136) HMH HPT Courtyard LLC 137) HMH HPT Residence Inn LLC 138) HMH Norfolk LLC 139) HMH Norfolk L.P. EXHIBIT 21 Page 4 of 5 HOST MARRIOTT CORPORATION AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued) 140) HMH Pentagon LLC 141) HMH Restaurants LLC 142) HMH Rivers LLC 143) HMH Rivers, L.P. 144) HMH WTC LLC 145) HMP Capital Ventures LLC 146) HMP Financial Services LLC 147) Host La Jolla LLC 148) City Center Hotel L.P. 149) Times Square LLC 150) Ivy Street LLC 151) Market Street HMC LLC 152) HMC Desert Springs LLC 153) MDSM Finance LLC 154) MFR of Illinois LLC 155) MFR of Vermont LLC 156) MFR of Wisconsin LLC 157) HMC HPP LLC 158) HMC Partnership Properties LLC 159) HMC Marquis LLC 160) HMC PLP LLC 161) Chesapeake Hotel L.P. 162) HMC SBM Two LLC 163) Philadelphia Airport Hotel LLC 164) Philadelphia Airport Hotel L.P. 165) PM Financial LLC 166) PM Financial LP 167) Saga Property Leasing LLC 168) Saga Restaurants LLC 169) Santa Clara HMC LLC 170) S.D. Hotels LLC 171) Times Square GP LLC 172) Times Square Marquis Hotel L.P. 173) HMC AP LP 174) HMC AP Canada Company 175) HMC Charlotte LP 176) HMC Charlotte (Calgary) Company 177) Calgary Charlotte Holdings Company 178) HMC Grace (Calgary) Company 179) Calgary Charlotte Partnership 180) HMC Toronto Airport LP 181) HMC Toronto Air Company 182) HMC Toronto EC LP 183) HMC Toronto EC Company 184) RTZ Holdings Boston LLC 185) HMC Times Square Partner LLC 186) HMC Headhouse Funding LLC EXHIBIT 21 Page 5 of 5 HOST MARRIOTT CORPORATION AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued) 187) Timewell Group, L.P. 188) HMC Burlingame Hotel LLC 189) HMC Times Square LLC 190) HMC BCR Holdings LLC 191) Timeport L.P, 192) Market Street HMC LLC 193) Philadelphia Market Street Marriott Hotel II L.P.