Blue Mountain has over 1,000 different accommodation units to choose from. Whether you are looking for comfort and value in the newly renovated Blue Mountain Inn, or boutique-style suites in Mosaic, Blue Mountain provides a wide variety of lodging to suit your needs.
http://www.bluemountain.ca/lodging_quickfacts.htm

Blue Mountain Resort – 10% Discount Now Available!
If you want to stay at the heart of the action there’s not better place than at Blue Mountain Resort! The folks at the resort have been kind enough to provide a 10% discount. It’s valid for your stay any time between June 6-13, 2023

https://book.bluemountain.ca/ecomm/package/packagebuilder/3603699/en-us/?packageid=69734

There are also many other options for accommodations in the surrounding areas, many of which are listed here on the Georgian Triangle Tourism site.