The square has great restaurants. If you want fine dining we love, Spring. If you need to please multiple tastes try Marietta Square Market. It has 20 different restaurants under one roof.
Yes, Walgreens and Poole’s are on the square. CVS is just a few blocks away.
The closest is Professional Touch. 145 N Marietta Pkwy NE Ste A Marietta, GA Open Saturday 7AM to 9PM
Yes, lots of great hiking in the area. I like Kennesaw Mountain.