Earn up to 9,000 Aeroplan bonus miles with SPG properties, through December 15, 2013.
Stackable: you're eligible to receive SPG and Aeroplan points.
Stay five qualifying nights at Starwood hotels and resorts around the world from September 1 – December 15, 2013 and earn 5,000 Bonus Aeroplan Miles. Stay a seventh night and enjoy 2,000 more Bonus Aeroplan Miles. Stay a ninth night and earn 2,000 more, up to a maximum of 9,000 Bonus Aeroplan Miles during the promotion. Nights can accrue across multiple stays.
Register for the promotion here.