If you're a premium ticket holder, you've got a few great options for dining. The totally renovated Banners Harbor View is a fine dining restaurant on Level 6, as is the Insight Club Lounge with a sushi bar and cocktails.
For the regular season ticket holder, you got some good choices too so not to worry. A great meeting spot pre-game is Paulaner Bier Garten is on the train platform in North Station. This full service bar transforms into a Bavarian Beer Garden and when the doors to the Garden open, you'll be right there. Another spot open to all ticket holders is The Hub on Level 4. It's also a full-service bar and with amazing views of Boston.
As for regular concessions, everything is pretty standard fare. There's a Kosher Cafe in the Balcony at Section 304 and Pile High Deli at Sections 16 and 323 is a nice alternative if you're looking for something other than hot dogs and such. For drinks check out On Tap (Loge Level Sections 1 and 12) or Shots Sports Bar (multiple locations - check our map). As for beer selection, you'll find Sam Adam, Stella, and Guinness stands around so your choices are pretty good. Be sure to check our stadium map for exact locations of these and other concessions.
One more thing: on non-game days, try to check out The Sports Museum on Levels 5 and 6. With several exhibits celebrating all Boston sports it's $10 for adults, $5 for kids and seniors, and children under 10 are free. Visit http://www.sportsmuseum.org/ for more info.
The Garden (or FleetCenter as we still accidently call it sometimes) has been around since 1995, replacing the old Boston Garden which was just to the South. It's also home to NBA's Celtics. In 2008, several upgrades were made and in 2009 a LED lighting system was added to the exterior, making it a true state-of-the-art venue.
Located in Boston's North section, just minutes from the historic North End (Boston's oldest residential community) and Faneuil Hall (a marketplace and meeting hall since 1742), it's really in a great location. Close to several neighborhood bars and restaurants, you won't have trouble finding a place to hit up pre or post game. Be sure to check out our "Before & After the Game" map for some local fan favorites, from great Italian in the North End to rowdy Irish bars within stumbling distance. There are so many options nearby, and some of the bars nearby are notoriously awful with rude bouncers and bartenders, so try to stick to our list if you aren't sure where to go for a beer.
if you plan on driving (not highly recommended), keep in mind that backups on local streets will begin fairly early and traffic delays are especially common on Storrow Drive, Leverett Circle, and Causeway Street. The Garden doesn't own any local parking lots or garages, however the MBTA Garage is a 1,150 space garage located directy beneth The Garden. It's accessible via Nashua Street but is usually pretty expesive - upwards of $50.
There are other lots and garages nearby - although most of them will be in the $30 range. You can book a couple of them online right through us - so check our map for parking icons. If you don't mind a walk - there are a couple cheaper lots on Somerset Street (close to Government Center T stop) although you can't book them online.
Our parking garage tip if you insist on driving and parking near The Garden: drive all the way to the top then start driving out the exit as close to the bottom as you want - there is usually a space next to the door for a quick get-a-way post-game.
We highly recommend taking public transportation over driving if possible. Skip traffic and save your money for food and drinks. You can take the Commuter Rail or Green or Orange subway lines to North Station. Boston's public transportation is pretty easy to navigate. For more info: http://www.mbta.com/
Also be sure to read our Fanzooloo Faves in the "During the Game" section for info on everything inside the arena.