How to Get Your Marriott Elite Status Back If You Didn’t Requalify
Did you enjoy having Marriott Elite status in 2014 but didn’t requalify? Until April 1, 2015 you can buy your status back by using Marriott Rewards points.
Here’s the chart of how many points are needed –

Click here to be taken to the buyback offer page.
In order to take advantage of the offer, you can either email Marriott Rewards or call Guest Services.
Hat tip to LoyaltyLobby for highlighting this offer.

I prefer the Platinum Challenge. YMMV.
Unfortunately, neither Silver nor Gold status is worth squat at Marriott (I say this as a 3 year Gold member). I saw this buy back offer and politely declined.