The package starts at $129 a night, which sounds decent. We tested it out for a weekend in March and found the rates to start at $229, which means you'd have to shell out $458 to get the free evening. That's not so sunny.
Plus, we found that if we booked the same room with the advance purchase rate instead, it cost $194.65 a night. The Sunshine on Sale package would be much more of a deal if it used this as its starting rate.
If you still want to get in on the deal, the Sunshine on Sale package is good through June 30.