If you go to this link (note: you MUST be logged in to your Marriott account) you can search by category. It's then easy to search to see if there properties are any you might like to stay at.

https://www.marriott.com/rewards/poi...dType=Standard

Selling the cert is not allowed by either the Marriott/Chase program rules or by FT TOS, & I don't know if it's transferable (is it from Chase or from Marriott)? You're not Coupon Connection-enabled so you can't do a trade there (assuming it's even transferable).

If they are transferable, you might want to give them to family members or friends in the pay it forward/karma thing.

Cheers.