@piss, whats your embark size? Sound like you've planned it out ahead of time. Watch out the booze in good zones is very lethal.
I'd recommend your 1st tavern, be "civ only" at or near surface z level. As you progress deeper to cavern 1, do a "civ+guest" tavern with guest rooms, and then stick your "all" tavern between cavern layers.
Ive settled on 6x6 as an embark site. Im still getting 120 frames, which is my arbitrary cap, though when something tries to spam-path into my fort it can drop to ~50 until I either let it in/out or kill it. or somethings, like packs mole dogs and bugbats most recently. I have 2 light aquifer 'waterfalls' that I let evaporate after they strike my meeting area, and a cistern Im currently letting fill with another. Light aquifers are almost all boon and no pain, as long as you dont let them flood. And since water will evaporate, any reasonable passage is enough to let it air out.
I dont use the whole area, but I always feel like its more fitting for a fortress, which is supposed to have some control over the surrounding area, to actually simulate and include some of the surrounding area, even if I cant physically control other locations.
My system can only do 4x4 embarks. Reason I ask, that is I wanted to make sure you got the feather wood trees, lots and lots, of them.
Before my game became to unstable to play, the climbing+trapping combo SCIENCE was really fun.
Now in hindsifht, I think I got greedy with dfHack. My last mil uniform, was >1 wt, all featherwood gear, featherwood shield, except for the weapon. I began puting 2 and 3 weapons in 1 uniform, to make up for the wt lost from light gear. Maybe that is what broke the Joyous 0 stress, low immoderation, fortress.
I just met my elf civ, neighbor and they all went to war. Never even got to see an elf siege... this time. poo!
Another reason I have for recommending the "all" tavern be deeper, inbetween caverns is, it prevents bar fights and visitors, from goofing up relations with Depot merchants, up on the surface.