It was a super helpful tip to check out hopper directly. You can only look at hotels on the web as flights require you to download the app. The portal is extraordinarily clunky. At least for hotels I checked out NYC and Napa and they offer nearly all boutique hotels. While I usually like to book directly with the hotel for Hilton/Marriott/Hyatt, its crazy that these properties don't show up. Maybe the credit card version is better, but this is probably why they don't want to let you explore their portal until they already got you for the card!