I've been in Ranch 99 quite a few times, but not yet eaten at the crawfish place inside there, LA Crawfish. Let's give it a shot before the season ends!
Here's their website with info and menu/prices - http://www.thelacrawfish.com/index.php
I've seen people eating crawfish spill over into the other food court tables, so I think space should not be an issue. And I kind of doubt they have reservations, anyhow.
Hope to see you there! ... maybe we can grab a snack at the bakery afterwords =)
LA Crawfish is INSIDE the Ranch 99 market. Text if lost -[masked]