Cancellation Instructions

You may cancel your reservation through the portal directly by entering your confirmation number and last name by selecting 'My Reservation' in the upper left hand column of the page:

Click Here to Login to your Hilton Waikoloa reservation

The Hilton also has a centralized reservations and customer care team can certainly help with any individual in need to cancel their hotel accommodation.

Per the Hilton public website, they have a special COVID page - - that advises how to reach them with Global support numbers.

If you need to cancel reservations made via the Hilton website, app or call center, you can change your reservation or contact the Hilton team. If you need to adjust reservations made through another travel site, please contact them for assistance.

Other Hotels

Waikoloa Beach Marriott Resort

Should you have any issues canceling a reservation, contact information Sharon Bianco:

Hotels in Kona

Royal Kona Resort

Royal Kona Resort is an oceanfront property.

75-5852 Alii Drive
Kailua-Kona, HI 96740

To cancel your reservation at the Royal Kona Resort please use this link for the property:

Kona Seaside Hotel

75-5646 Palani Road
Kailua-Kona, HI 96740

To cancel your reservation at the Kona Seaside Hotel please use this link for the property:

Courtyard King Kamehameha’s Kona Beach Hotel

75-5660 Palani Road
Kailua-Kona, HI 96740

IGARSS attendees may cancel your reservation directly with the King Kamehameha’s reservations team using any of the following methods:


There are villas and condominiums in Waikoloa: