Yes, your card will be charged the required deposit at booking. If you are booking a non-refundable rate, your card will be charged the entire stay at booking.

A daily resort fee of $25.00 plus tax will be charged upon check-in. Resort fee includes: water bottle, water refill station, bicycle use (subject to availability), yoga, parking, and WiFi.

Yes, as long as the cancellation does not fall within the cancel period.

Please refer to our Policies Section below.

To modify or cancel your reservation, please call (800) 367-5004 or +1 (808) 545-3510.

Standard check in time is after 3pm HST and check out is before 11am HST.

Front desk hours: 7:00 am – 10:00 pm.

For after-hours check-in, please call the on-site security at 1-808-651-6821. Please see the front desk the next morning during business hours to complete your registration.

You may request for early checkin or late checkout, which will be subject to availability. Fees may apply.

If you made an online reservation, you will be receiving an email confirmation. Please check your spam/junk mail folder if you have not received anything. To reconfirm your reservation, you can call our customer representative at (800) 367-5004 or send us an email resinquiry@castleresorts.com.

Yes, you can upgrade to a larger suite or room with a view. Call us at (800) 367-5004 and a customer representative will be delighted to assist you.

Yes, we have a daily resort fee of $25 plus tax that will be charged upon check-in. Resort fee includes water bottle, water refill station, bicycle use, Yoga and other fitness options on the lawn, parking and WiFi

You may make requests at the time of booking. Please note, requests are not guaranteed but we will do our best to accommodate all requests.

Please refer to our Policies Section below.

Cribs are available free of charge (subject to availability).

WiFi is available in the room and lobby

Yes, daily housekeeping is provided.

For a full list of amenities, please visit our Guest Rooms page.

All our rooms are non smoking in compliance with state law.

We do not offer 100% ADA-compliant rooms at this time, but are currently working on it. We do offer rooms with a roll-in shower and ADA-friendly configuration. Please contact us to book.

Complimentary bathroom amenities include shampoo, conditioner, body lotion, facial soap, and body soap.

Our pool is open daily from 9am - 10pm. We do not have a Jacuzzi.

Yes, we provide beach towels.

We have 3 floors with no elevators.

All hotel rooms include 1 King or 2 Double beds. Our 1 Bedroom Ocean View rooms have 1 King bed with a pull-out sofa.

Bedding selections are provided by request only and we do not guarantee the requested bedding type. We do, however, do the very best we can to accommodate your requests.

Pets are not allowed in our guest rooms and resort area, with the exception of service animals. Noncompliance with this policy can result in a penalty fee and dismissal from the property.

Yes, a complimentary Grab & Go Breakfast is served daily in the nook off the front lobby.

Yes. The Bullshed Restaurant is located in the building next to the putting green. It is open 7 days a week from 4:30 pm - 9:30 pm.

For Hotel guests of The ISO, menus from restaurants and eateries that deliver to the hotel are available in the lobby for guests inquiring about food options.

Public transportations are available from the airport to the property, including car, shuttle, taxi and public transit. Our properties do not offer airport shuttles or transfers.

While The ISO is a oceanfront resort, the beach fronting our resort is not swimmable. The closest swimable beach is Lydgate beach park.

Approximately 7 miles or a 15 minute drive.

Yes, we call a taxi for you as needed and requested.

Self parking is included in the resort fee.

All reservations require a deposit of one night plus tax to be charged at the time of booking. The remaining balance is due upon check-in.

Castle will provide a full refund for cancellations made up to 4 days prior to arrival. If a cancellation is made 3 days or less to arrival (including no-shows), deposit will be forfeited.

A deposit of 2-nights room + tax will be charged at booking. The remaining balance will be collected 30-days prior to arrival. For reservations made 30 to 0 days prior to arrival, 100% of total reservation cost is due at booking.

Castle will provide a full refund (excluding a $100 + tax cancellation fee) for cancellations made up to 30 days prior to arrival. If a cancellation is made 29 days or less to arrival (including no-shows), all monies collected will be forfeited.

Please visit www.castleresorts.com/package-policies if you have booked a package deal or as a corporate club member to see specific deposit & cancellation policies, package inclusions, and a comprehensive list of all applicable terms & conditions for your selected package.

• Room rates are subject to Hawaii General Excise Tax and Transient Accommodations Taxes, which currently totals 14.962%.
• A daily resort fee of $25.00 plus tax will be charged to guest upon check-in. Resort fee includes: water bottle, water refill station, bicycle use (subject to availability), Yoga, parking and WiFi.

A cleaning fee of $345 plus tax will be applied to all bookings in the Beach House unit. Fees are per stay, per condo unit, plus taxes.

There is a 3 Night Minimum Stay for all reservations from December 23 - January 2.

• • Children 17 and under stay free using existing bedding; total occupants including children cannot exceed the maximum occupancy of the confirmed room. Noncompliance with this policy can result in a supplemental per person fee an/or immediate cancellation of the right to occupy the unit.
  • Cribs are available free of charge (subject to availability).
  • Air beds are subject to availability and are free of charge.

• • Parking is covered in the daily resort fee.

To be eligible for a qualified rate (Military, Senior, Kamaaina, Government, AAA/CAA, Commercial, Airline employee, Owner Club, Travel Agent, etc.) guests must present a valid form of identification at check-in. If you are unable to provide sufficient identification, Castle Resorts & Hotels will provide you with the best available rate at the time of check-in.

Castle offers a pre-pay & non-refundable rate for selected properties at various times. To be eligible for this special rate, the full amount must be paid by the time of booking. All bookings are final and may only be altered by a qualified Castle Employee. Cancellation will result in a full stay charge.

Castle Resorts & Hotels cannot guarantee requests for specific units but will honor such requests when feasible based on availability at check-in. Castle Resorts & Hotels reserves the right to substitute alternate accommodations of a similar or superior room type. All reservations are subject to change or cancellation if rooms become unavailable for reasons including, but not limited to, natural disasters or other acts of nature, damage to the property or maintenance problems, strikes, owner usage, sale of unit, changes in applicable law, or failure of other guests to vacate as scheduled.

Front desk hours: 7:00 a.m. - 10:00 p.m. daily
Check-in: after 3 pm
Check-out: before 11 am

Pets are not allowed in our guest rooms or resort area, with the exception of service animals. Noncompliance with this policy can result in a penalty fee and dismissal from the property.

• • Rates, restrictions, policies and all information are subject to change without notice.
  • Occupancy of the unit is subject to the house rules of The ISO, which are applicable to all guests.
  • Castle Resorts & Hotels reserves the right to terminate occupancy without a refund should violations of house rules occur.
  • No subleasing is allowed.
  • All offers are subject to program availability.
  • Rates are listed in US dollars except where noted otherwise.
  • All published rates are commissionable to travel agents at 10%.