With the demise of BP and CL, the remaining and new ad websites have become increasingly fragmented and regional. Just wondering if there are any that are currently preferred by W. Michigan (Grand Rapids, K'zoo, Traverse City, etc.) providers.

Will be back in Detroit next week and there are lots of great girls on P411, a few I've seen before and others I haven't.  

Eros is also still reasonably active. I never found BP particularly useful for Detroit anyway.

Most websites with Michigan ads have plenty in the Detroit area, so no problem there. But I'm having a hard time finding any websites with decent ads for Western Michigan providers.

Grand Rapids, Kalamazoo, Traverse City, etc. - any resources out there?

I live in the Detroit area but visit the Traverse City area often

I believe there is a midwest site.  That may be if use to you. Check the front page of my site for helpful hobby sites.

...can't say publicly of course since it would be considered a competitor site.
Feel free to pm me or even better shoot me a direct email about it at [email protected] (or @protonmail.ch).