SUN COMMUNITIES, INC. EXHIBIT 21 - LIST OF SUBSIDIARIES Main operating subsidiary: Sun Communities Operating Limited Partnership, a Michigan limited partnership Other subsidiaries (wholly-owned): SCF Manager, Inc., a Michigan corporation SCN Manager, Inc., a Michigan corporation Sun Acquiring, Inc., a Kansas corporation Sun Florida QRS, Inc., a Michigan corporation Sun Houston QRS, Inc., a Michigan corporation Sun QRS, Inc., a Michigan corporation Sun Texas QRS, Inc., a Michigan corporation Sun MHC Development, LLC, a Michigan limited liability company Highland West Development, LLC, a New Mexico limited liability company Subsidiaries of Sun Communities Operating Limited Partnership 8920 Associates, a Florida general partnership Apple Orchard, LLC, a Michigan limited liability company Arizona Finance L.L.C., a Michigan limited liability company Aspen-Allendale Project, L.L.C., a Michigan limited liability company Aspen-Alpine Project, L.L.C., a Michigan limited liability company Aspen-Arbor Terrace, L.P., a Delaware limited partnership Aspen-Bonita Lake Resort Limited Partnership, a Michigan limited partnership Aspen-Brentwood Project, L.L.C., a Michigan limited liability company Aspen-Byron Project, L.L.C., a Michigan limited liability company Aspen-Country Project, L.L.C., a Michigan limited liability company Aspen-Ft. Collins Limited Partnership, a Michigan limited partnership Aspen-Grand Project, L.L.C., a Michigan limited liability company Aspen-Holland Estates, L.L.C., a Michigan limited liability company Aspen-Indian Project Limited Partnership, a Michigan limited partnership Aspen-Kings Court, L.L.C., a Michigan limited liability company Aspen-Paradise Park II Limited Partnership, a Michigan limited partnership SUN COMMUNITIES, INC. EXHIBIT 21 - LIST OF SUBSIDIARIES, CONTINUED Aspen-Presidential Project, L.L.C., a Michigan limited liability company Aspen-Siesta Bay Limited Partnership, a Michigan limited partnership Aspen-Silver Star II Limited Partnership, a Michigan limited partnership Aspen-Town & Country Associates II, L.L.C., a Michigan limited liability company Bright Insurance Agency, Inc., a Michigan corporation Family Retreat, Inc., a Michigan corporation Knollwood Estates Operating Company L.L.C., a Michigan limited liability company Miami Lakes Venture Associates, a Florida general partnership Mt. Morris MHC, L.L.C., a Michigan limited liability company Priority Entertainment L.L.C., a Michigan limited liability company River Haven Operating Company L.L.C., a Michigan limited liability company Snowbird Concessions, Inc., a Texas corporation SunChamp, LLC, a Michigan limited liability company Sun Communities Acquisitions, LLC, a Michigan limited liability company Sun Communities Finance, LLC, a Michigan limited liability company Sun Communities Funding Limited Partnership, a Michigan limited partnership Sun Communities Houston Limited Partnership, a Michigan limited partnership Sun Communities Mezzanine Lender, LLC, a Michigan limited liability company Sun Communities Nevada GP L.L.C., a Michigan limited liability company Sun Communities Nevada Limited Partnership, a Michigan limited partnership Sun Communities Texas Limited Partnership, a Michigan limited partnership Sun Communities Texas Mezzanine Lender Limited Partnership., a Michigan limited partnership Sun Communities Funding GP L.L.C., a Michigan limited liability company Sun/Forest LLC, a Michigan limited liability company Sun/Forest Holdings LLC, a Michigan limited liability company Sun GP L.L.C., a Michigan limited liability company Sun Home Services, Inc., a Michigan corporation SUI TRS, Inc., a Michigan corporation SUN COMMUNITIES, INC. EXHIBIT 21 - LIST OF SUBSIDIARIES, CONTINUED Sun TRS, Inc., a Michigan corporation Sun Water Oak Golf, Inc., a Michigan corporation Sun/York L.L.C., a Michigan limited liability company White Oak Estates, L.L.C., a Michigan limited liability company White Oak Estates Holding, L.L.C., a Michigan limited liability company