Looking for Lake Michigan Diving in West Michigan (Holland <-> Ludington)

I'm going to be staying in Whitehall over Labor Day weekend and was hoping to be able to dive a couple of the shallower wrecks in Lake Michigan Sunday 9/1 - Tues 9/3. I'll be travelling with one other person. So far, I've contacted:
Scubazoo
Ocean Sand Scuba
Advance Scuba (appears to be MIA)
Dive Locker
<I forget the last place>

Scubazoo was a maybe, but struck out everywhere else. Anyone know of any other places I should try?

I was also thinking that it might be worth just renting a boat with my family, but I couldn't find any place that has daily/hourly rentals on Lake Michigan. If anyone knows of anything along these lines that would also be helpful.

Lastly, if there are any cool shore dives that I'm not aware of, let me know!

I know this is kind of late, hopefully you will see this, but try elixirdivecharters.com I heard they have some openings this weekend