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