Exhibit 21 SUBSIDIARIES OF THE REGISTRANT REGISTRANT: MEDITRUST OPERATING COMPANY SUBSIDIARY CORPORATIONS AS OF DECEMBER 31, 1998 State of Name Incorporation - - ------------------------------------------------- --------------- The Cobblestone Golf Companies, Inc. Delaware Cobblestone Enterprises of Arizona, Inc. Arizona Cobblestone Enterprises of California, Inc. California Cobblestone Enterprises of Virginia, Inc. Virginia Cobblestone Enterprises of Florida, Inc. Florida Texas Cobblestone Ventures, Inc. Texas Cobblestone Beverage of Texas, Inc. Texas Cobblestone Enterprises of Georgia, Inc. Georgia ELW Water, Inc. Florida Cobblestone Enterprises of North Carolina, Inc. North Carolina Club Ranch Texas The Liquor Club at Pecan Grove, Inc. Texas Lakeways Clubs, Inc. Texas Club Stonebridge Texas Sweetwater Beverage, Inc. Texas The La Quinta Company Delaware La Quinta Inns, Inc. Delaware MOC Holding Company Delaware Robert H. Grant Corporation California MOC -- Arcadia, Inc. Delaware MOC -- SAE, Inc. California