For those interested in where the buoys/roped-off areas are for snorkelers in Akumal Bay, here is a pic which was posted by Kay Walten of Locogringo.com.  For the month of Sept. 2017, all guided tours are officially suspended from the bay (but that doesn’t necessarily mean there won’t be any out there), while general visitors may still snorkel outside the roped-off areas.  Here is the map I found on Kay’s Facebook page.  Notice how these areas extend onto the front sea area of the Secrets property.

restricted snorkeling areas in Akumal Bay