Starwood, now part of Marriott, has announced their Q1 promotion for 2017. Called SPG Double Take, you earn double-points on your first three stays and some decent bonuses beyond that. An extra 10,000 points once you hit 20 nights, for example.
You can register on the SPG Promo Dashboard. Registration is between December 15th and March 15th, and the stays have to be completed between January 16th and April 15th.
Read up on the details over at One Mile at a Time!