On Tuesday I received the same newsletter from the Niagara Falls Marriott Fallsview that I have received twice before. The problem is, Spring Break was a few weeks ago. I assume this was a mistake:
You can subscribe by clicking on the Special Email Offers link on the side of the Marriott Niagara Falls Fallsview & Spa main page.
UPDATE: Apparently some places have Spring Break in April (actually in the Spring… go figure). I suppose that the same promotions are being used for all the various breaks in Feb/Mar/Apr.