Backpack and water allowed?

Tickets say no but it's not enforced.

Yes to both. Water must be unopened. I think there are size restrictions for both.

As long as the water bottle hasn't been opened. Street vendors on Yawkey St sell cold water much cheaper than the stadium.

YES THEY DO . N BACK PACKS .BUT THEY DO SEARCH THEM .

Yes, backpacks will be searched. Water can be brought it as long as the bottle has not been opened previously

Yes unopened water bottles

Best place to park by the ball park ?

You can bring bags in, and you can bring water and sometimes food in. If you put in the bottom of your bag

I wasn't allowed to bring mine in. Only way around it is a clear bag/backpack

Yes to both.