Originally Posted by escape4

On SLH.com please be aware that if you look at rates without being logged in as an SLH member, you might not see the lowest rate. Many times you need to login first, and then you might see a rate such as "10% off members only"; I checked quickly and it is indeed the case for Mykonos Ammos as well. I have seen on occasion 20% off for SLH members for other properties.

So even in this case for Mykonos, you would be paying 10% more on Hyatt than on SLH without knowing at first glance.