LOS ANGELES — San Juan Capistrano, Calif.-based Argus Realty Investors has bought the Marina Tech Centre in a deal valued at $16.2 million from Irvine, Calif.-based Legacy Partners. Locally based Colliers Seeley International represented both Legacy and Argus in the transaction for the 68,788 sq. ft. Class-A building. The Marina Tech Centre, located at 5300 McConnell Ave., is fully leased to medical services firm Impath Inc.