The ISO by Castle | Resort in Kapaa

| 8.4 (1007 Reviews) |  1 Bathroom
Wailua Resort | The ISO by Castle

Resort in Wailua, Kapaa

Beach resort with an outdoor pool and a restaurant
At The ISO by Castle, relax by an outdoor pool or hit the beach where you can enjoy snorkeling.
The ISO by Castle offers 78 air-conditioned accommodations with complimentary toiletries and ceiling fans. Rooms open to balconies. 42-inch flat-screen televisions come with cable channels. Guests can make use of the in-room refrigerators and coffee/tea makers. Bathrooms include shower/tub combinations.
Recreational amenities at the resort include an outdoor pool.

The recreational activities listed below are available either on site or nearby; fees may apply.

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Amenities

Air Conditioner
Pool
TV
Balcony/Terrace
Security/Safety
Bedding/Linens
Restaurant
Bar
Toiletries
Guest Services
Child Friendly
Internet
Kitchen

Policies

Check-in
Check-in start time: 3:00 pm; check-in end time: 10:00 pm minimum check-in age: 18
Check-out
A late check-out fee will be charged check-out before 11 am late check-out subject to availability
Child Policy
Children are welcome. rollaway/extra beds are not available.
Payment Policy
Late check-out is available for a fee (subject to availability) the above list may not be comprehensive. fees and deposits may not include tax and are subject to change.
Pet Policy
Pets not allowed

Extra-person charges may apply and vary depending on property policy government-issued photo identification and a credit card, debit card, or cash deposit may be required at check-in for incidental charges safety features at this property include a smoke detector special requests are subject to availability upon check-in and may incur additional charges; special requests cannot be guaranteed tax id - w-34434930-01 this property accepts credit cards and debit cards; cash is not accepted this property has outdoor spaces, such as balconies, patios, terraces which may not be suitable for children; if you have concerns, we recommend contacting the property prior to your arrival to confirm they can accommodate you in a suitable room

Reviews

Hallei
Sep 24, 2025 11:18:55 PM
Review Score:   10
Summary: It's a great hotel, near the airport and the main road to go anywhere in Kauai. I will definitely stay there again.
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