Yes, 2016 is the last year of the NA engine in the 911.
It will be interesting to see IF Porsche allows "Club Blau" to be ordered as a PTS color in the future. They have told the 60 of us, who were lucky enough to get the Club Coupes, that they would NOT offer the color in the future. But, I would expect that to change if enough people ask about ordering it.
And now, since one of the 60 Club Coupes has been totaled, there are only 59 remaining.

Thanks for the compliment on my Club Coupe. "Club Blau" is one of Porsche's best blues, but I may be a bit biased.