The article also mentions that the club plans to develop the former Weyerhauser site, on 126 acres north of Carnegie Abbey into "the Carnegie Abbey Beach Club, which would feature multifamily residences and a number of single-family homes. On this site, an additional yacht club also would be built as well as new equestrian facilities and expanded tennis facilities."
Here is an update photo I took a couple days ago. Construction is up to the 18th floor:

























