I think the conference could be at SunCliff on the Lake in Derby, New York. We are a 15 acre venue with three large ballrooms, a 4,000 square ft tent and four more break out rooms. Our interior space is 31,000 sq feet). Our prices are very affordable. ( see prices on our wordpress website). Our website could be used as a sample tool for those in attendance. Im not sure how large the conferences have been in the past. We have 63 rooms. Many are single but some are with double or triple occupancy. We are a historic mansion on Lake Erie. We are 8 miles from Hamburgh, New York and 18 miles from downtown Buffalo. Activities here include hiking, fishing, sailing, art, and exploring the wonderful architecture of the Buffalo area including the work of Frank Lloyd Wright. His famous Grancliff is just two miles away. Please visit SunCliffonthelakea.com