I brought a bunch of friends most of whom have never played paintball or their last experience was a long time ago. Seeings that we are all adults, they treated us like adults and only told us what they needed to tell us about safety and the boundaries of the field. I am a speedballer through and through, but since i was bringing new heads, they wanted to play outside. I hate woodsball, but i had an absolute blast on that field. they had forts and trees, most of which is new to me being that my world is inflatable bunkers. Anyways it was fun. The refs sat back and watched over the entire field...I often hear people complain about refs not telling people when they are out or not doing their job in enforcing it. Well if you are hit just get out. There is no money on the line and for the most part the refs just let us have a blast. When people were shot they left without the refs having to yell.
Their indoor speedball field was small, but it was inside so whatever. The refs were very quick to inflate the bunkers between games and kept us playing game after game even if we were farting around. They did a good job splitting teams up so that there weren't a bunch of rentals against the super upped guns. I wouldn't have cared but again it was many peoples first time out. They were very good to call the game when it was over, halting that after the whistle dive over the snake. Prices were very reasonably and since i forgot my entire tool kit their gun techs were more than happy to let me borrow some.
Their pro shop is small, but most likely has what you are looking for. They have a drink machine, although I didn't see food, I wasn't looking for it either. The staff was exceedingly friendly and the local, although they were primarily younger than the group I came with, were very friendly, always wanted to talk ball, and were only there to have fun.
Keep in mind I have been playing in japan for the past few years and our local field was pretty much set up and maintained by the ballers. Coming to this place where everything is taken care of for you is a godsend. You could tell that everyone there loved paintball and were enthusiastic about paintball. Understand that if the workers at a field raise their voice or treat you bad after a few infractions...they are doing it to keep you safe and to keep ball in the area. I had a great time and all my friends are hooked now. So yeah, go to Delmarva paintball. You will leave with a smile.