Anyone a member of jackoff groups that have both guys and girls in it? Friends or a club? I fantasize about being in a group with guys, girls, gay, straight, and just everyone enjoying each other jacking, jilling, and cumming.

Sounds like a great idea and I would like to be there.. But in reality, we can hardly put a male group together...

Hear hear.....

I like watching girls masturbate, but can't keep my hands off, but doing myself would be next best thing

It would be great to get something like this together in several different cities and I have heard such groups exist. I've just never heard first-hand knowledge of any in my neighborhood.

Had a friend who was trying to set one up but eventually she just gave up because it was becoming too difficult to find the right people. She had already had one previous experience where she was the only girl, but for her next experience she wanted it to be more balanced.

I was last year. There were two females and two other guys. I got accepted into their group and went to several of their "meetings" but haven't heard from them in a while. I guess they quit having them. It was a great time, I really miss them.

maybe having localized jack and chat chapters in various cities

My GF and I have a few couples that we play naked with. Except for her best friend and her hubby and a girl she works with and her boyfriend, all are couples that we've met at nudist resorts. There are also a few married guys, without their wives and one single girl.
It'not really a true jack & jill group although we all started by masturbating together and it progressed.
At my last Nude Years Eve party, there were 8 couples and 3 single guys which is the most I've hosted at a single event.

This sounds wonderful! I wish my wife were into stuff like this.

When my wife was alive she was only into the jacking and jilling with my buds and our friends.
My present GF, though, is into just about all of what can be done to achieve pleasure.. solo and mutual.

There are a few 'Meet-Up' groups in my area that have nudist gatherings (there appears to be similar groups throughout the entire US) - that may be a place to start. I'm a member, but have yet to make one of their get togethers.....

We live in a street which, because we all brought up our kids at the same time, is a very close and friendly community. I have often fantasised about the adults all getting together for a jacking and jilling session. Never gonna happen though!

OK. Let's not wonder off too far and focus on what is important in here...
You mentioned one single girl...
Would she be interested in meeting someone new?
I'm from Europe though.