Are there 2 sections like one side for big dogs & another separate side for tiny dogs?

Yep, 3 sections loke the other members said. The poop bags have been replenished too

Yes 3 sections small, medium and large dog pens. I have seen both the small and medium pens reserved for private functions but never at the same time.

There are 3 sections. One for all dogs, one for small dogs, and a third for individual's to reserve for private dog events.

There are 3 sections by size