1 EXHIBIT 21 LIST OF SUBSIDIARIES OF SUN COMMUNITIES OPERATING LIMITED PARTNERSHIP 8920 Associates, a Florida general partnership 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-Breezy Project 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-Cutler Associates, 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 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 Bedford Hills Mobile Village, 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 Sun Communities Alberta Limited Partnership, a Michigan limited partnership Sun Communities Finance Limited Partnership, a Michigan limited partnership Sun Communities Funding Limited Partnership, a Michigan limited partnership Sun Communities Houston Limited Partnership, a Michigan limited partnership Sun Communities Nevada GP L.L.C., a Michigan limited liability company 2 Sun Communities Nevada Limited Partnership, a Michigan limited partnership Sun Communities Texas Limited Partnership, a Michigan limited partnership Sun Communities Funding GP L.L.C., a Michigan limited liability company Sun GP L.L.C., a Michigan limited liability company Arizona Finance L.L.C., a Michigan limited liability company White Oak Estates, L.L.C., a Michigan limited liability company Sun Houston QRS, Inc., a Michigan corporation Sun QRS, Inc., a Michigan corporation Sun Texas QRS, Inc., a Michigan corporation SCF Manager, Inc., a Michigan corporation Sun Acquiring, Inc., a Kansas corporation Sun Florida QRS, Inc., a Michigan corporation Tallowwood Property Owners Association, Inc., a Florida non-profit corporation K.S. Park Property, Owners Association, Inc., a Florida non-profit corporation Sun Home Services, Inc., a Michigan corporation Family Retreat, Inc., a Michigan corporation Sun Water Oak Golf, Inc., a Michigan corporation SCN Manager, Inc., a Michigan corporation Apache Junction MHC, LLC, a Michigan limited liability company Sun Texas Financial, LLC, a Michigan limited liability company Sun/York L.L.C., a Michigan limited liability company Snowbird Concessions, Inc., a Texas corporation CM-GL Services, Inc., a Florida corporation