Here is the info regarding the rate, and the link below will have it 'pre-filled' with a check-box labelled 'Leisure Discount'

Marriott
A business relationship just got personal. Now save on personal travel with Marriott BreakAwaySM discounts!

Up to 25% off on the Marriott family of hotels and resorts
Nearly 2,000 properties participating worldwide
Rates good for travel between Thursdays and Sundays
Friday or Saturday night stay required
It's the perfect solution for a fun, relaxing weekend getaway!

http://marriott.com/corpleisure/defa...cmp=ibm&type=1