Maybe check in wearing a hula skirt and several layers of leis around your neck while carrying a bucket of Mai Tais to show that you are a local.
Seriously,
*Eligible Rate . . . Stays booked via "opaque" channels where the brand is unknown at the time of purchase are not Eligible Stays for the purpose of earning points, miles or stay credit toward VIP tier status, or the receipt of VIP tier benefits such as upgraded accommodations / amenities or access to health clubs. No point or stay credit, airline frequent flyer mileage credit or credit toward tier status will be awarded for "no show" situations . . .
Perhaps you will get lucky and get an oceanview room, there are lots of them in the hotel, but I would not expect one.