EXHIBIT 4.205 State of Delaware Secretary of State Division of Corporations Delivered 02:56 PM 01/07/2004 PM 01/07/2004 - 3749435 FILE I 0010843 CERTIFICATE OF FORMATION OF WATERSIDE-MARISSA DEVELOPMENT 1. The name of the limited liability company is: WATERSIDE-MARISSA DEVELOPMENT, L.L.C. 2. The address of its registered office in the State of Delaware is Corporation Trust Center, 1209 Orange Street, in the City of Wilmington, County of New Castle. The name of its registered agent at such address is The Corporation Trust Company. 3. This Certificate of formation shall be effective on January 8, 2004. IN WITNESS WHEREOF, the undersigned have executed this Certificate of Formation of WATERSIDE-MARISSA DEVELOPMENT, L.L.C. this 7th day of January, 2004. /s/ TERRY L. BETHEL Terry L. BETHEL