The next Cars & Coffee at COTA will be Saturday, July 14.
I missed the June C&C, but a fellow Miata driver went and shared pics. There were a LOT of cool cars and a pretty fair share of Miatas.
Some pics from C&C Austin 6/17/18 - Miata's of C&C...
http://www.circuitoftheamericas.com/cars-and-coffee