Yes! Best plan! Separate acvomodations or atleast every family responsible for picking there own. I was thinking the amount of money disney is is I wouldn’t want that pressure esp if it doesn’t live up to others expectations! That would ruin my vacation for sure…
Several years ago we had a group of 14 and rented two houses side by side. Overall it worked out well. But one reason was because, some members of the group were just mildly interested in Disney (they had 2 day tickets, we had 7! But that meant they could hang out at the house, swim, cook once in a while and nobody felt like they were missing out. I think your scenario of some on property and some odd sounds similar to that. One get together of everyone might include a pool party at one of the offsite houses!