I looked into the local Unitarian Universalists, and they are very New Age types. I like their social justice angle but wouldn't be able to sit through their sermons/discussions without making faces.
If you're not interested in the woo, you could always try the Secular Humanist Society or other similar rationalist local groups that don't preach religiosity.
It's worth seeing if you have any other Unitarian church near you. There's a lot of variance in their practices, from intense New Age spiritualism to simple discussion and silent reflection.