I'm an AB local, there's a few good places in the area, not so much in Atlantic Beach though. Breweries: Green Room (ok beer, real close to AB and cool vibe) Engine 15 (also close to AB, better beer and more guest taps) Aardwolf (Riverside area, but best beer in Jax in my opinion) Bars: World of Beer is building a beach location that may be done by then Riverside area of Jax has several great bars and restaurants Also depending on what weekend you are coming there may be other events
If you want some places you can walk to. Poe's in AB has some decent taps. Usually have a good local variety Green Room, Engine 15, Intuition Ale Works, Pinglehead (All local) + Jai Alai and some others. Ragtime Tavern is a Gordon Biersch brewery that's in AB a block from Poe's. Other places in the neighboring beaches that have a good tap selection are Mellow Mushroom and Zeta Brewing. I agree with CRon_T about the breweries. Aardwolf in San Marco probably makes the most interesting brews. There is also Intuition Ale Works in Riverside which would be a good drive if you have a car. If you do get to the Riverside area all of these places are on the same street (King Street). Kickbacks Gastropub/Goozlepipe & Guttyworks ridiculous amount of taps eventually supposed to be 200+ Pele's 50 taps Dahlias 50 taps Silver Cow 30 taps
Agree with all above, but would also recommend M Shack for a burger and a pint of Jai Alai, paradise...
Absolutely love Poe's. Went to Zeta last weekend, and while I'm not a fan of their beer, they had really good guest taps. Lots of Uber and Loft drivers there so you don't have to drive everywhere!