Read more Muckleshoot Casino celebrates 'topping off' of new hotel construction Septem. The 18-story resort tower will feature 400 rooms, a rooftop. Read more Muckleshoot Casino will open new hotel this fall J-Īn all-new glass hotel tower at Muckleshoot Casino is in the final stages of construction with an opening date expected this fall. The Muckleshoot Indian Tribe has teamed up with the Seattle Mariners as the 'Exclusive Casino Partner' in a multi-faceted agreement signed last week. News Headlines Muckleshoot Tribe partners with Seattle Mariners Aug.