I didn't see it posted anywhere in this thread, so I thought I'd list out the additional benefits given to Gold & Platinum at this property. It's not explicitly stated in the letter, but I believe this is in response to the "alternative amenity" to justify the resort fee for Platinums.
GOLD:
- 20% discount on Westin Kids Club.
- 4pm late check out, based on availability.
- 10% discount on beach and pool-side cabana rentals.
- 10% discount on food items from the room service menu.
- 10% discount on Wailele Luau reservations.
PLATINUM:
- 10% discount on Spa treatments.
- Complimentary access to Spa lounge area (sauna, steam, and jacuzzi).
- 2 children for the price of 1 at Westin Kids Club or 50% discount for 1 child.
- 4pm late check out, based on availability.
- 20% discount on beach and pool-side cabana rentals.
- 15% discount on food items from the room service menu.
- 10% discount on laundry and dry cleaning charges.
- 1 complimentary pack of vanilla beans with the purchase of 5 pineapples from the tropical horticulturalist (no, I didn't make that up).
- 10% discount on Wailele Luau reservations.
- Complimentary premium internet access.