ryman hospitality properties on monday said it agreed to purchase jw marriott san antonio hill country resort  spa from blackstones realestate investment trust for 800 million the announcement follows an earlier report from the wall street journal which detailed terms of the deal ryman the nashvillebased real estate investment trust said it and blackstone real estate investment trust the fund that owns the resort expect the acquisition to close in the second or third quarter ryman said it plans for the resort to continue to operate under the jw marriott flag