Rosa,
The only way I know of to check on what conventions may be going on is by calling the front desk of the Coronado Springs Resort directly. The number is 407-939-1000.
As for building recommendations, I would suggest the following, in order of preference;
- Casitas, building 1
- Cabanas, building 9B
- Cabanas, building 9A
- Cabanas, building 8A
After that, and Cabanas, then any Casitas, with the Ranchos last. technically the Casitas building 1 is not the closest to both the pool and the main building, but it has recently had many rooms re-done, and the walk is short to both, so I find it preferable to anywhere else on the resort property.
Please feel free to ask any follow-up questions from my bio page!
Have a Magical Vacation!