How do my boyfriend and I find couple friends NOT FOR SWINGING?

My boyfriend and I have been together almost 3 years and live together. We both have pretty good jobs (I’m pursuing grad school in the next year and work full time, he has no degree yet but is talented at what he works full time at a nice job). We are 23 (me) and 22 (him).

We both really like having couple friends to hang out, like double dates with another long term couple. It was actually my boyfriend who introduced the idea of couple friends to me. He likes the dynamic a lot and so do I.

We have just one “couple” friend at the moment and they are very broke and struggling and rarely have time to get together.

My boyfriend and I want to meet other couples to hang out with!

My question is, and it’s weird, how does one go about finding other friends like this? WITHOUT sounding like a creepy swinger?

(I feel like I need to add that. Neither of us wants to experiment with others. Gross!)

Most of my coworkers are single moms my age with guy issues or older married people (40+). My boyfriend works with mostly women, 30+, with husbands and kids and very, very busy. Yet some of the couples our age that we know usually aren’t that long term, are always broke, are on/off, or just drink too much/use drugs. My boyfriend and I just don’t drink heavily like we used to in our late teens nor do we like to party.

We kind of want mature couples our age who aren’t always broke, are interesting, and good friends. We like to go to parks, malls, eat out, grill/make food, go on walks, go to music events, go to movies, go on day trips, etc.

I feel really lame for starting a question like this but I’m really wondering!!