The ISO (formerly Castle Mokihana) 
4 star

4-796 Kuhio Highway, Kapaa, HI 96746, USA  - show map

Very good 8.4/10
Score from 931 reviewers

Hotel Overview

Located across from Waipouli Town Center, the ISO is beachfront Kapaa studios feature free WiFi, an oceanfront swimming pool and an on-site restaurant.

A private Hawaiian-style patio is offered in each studio apartment. Coffee-making facilities are also available.

The Bullshed Restaurant, open daily for dinner, features oceanfront dining. Steak and seafood specialties are served in a relaxed, family-style setting.

A snorkeling beach and putting green, tennis and shuffleboard courts are located on site. Free parking is provided.

Kapaa Beach Park is 1 mile away. Lihue Airport is 15 minutes’ drive away from the ISO.

Formerly Castle Mokihana

Before March 2019 The ISO was known as Castle Mokihana

Traveller reviews

Very good 8.4/10
Score from 931 reviewers
Click to write a review and share your experience of The ISO with other travellers.


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Hotel prices fluctuate. Book now, we will check prices each day for you and then let you know how to re-book if an even better price becomes available.
When would you like to stay at The ISO ?
This studio has a balcony, patio and seating area.

Enter dates to see room photos
This studio features a balcony, seating area and patio.

Enter dates to see room photos

Facilities of The ISO

Free parking, On-site parking, Parking

Free WiFi, Internet services, WiFi

Food & Drink
Bar, Restaurant

Pools and wellness
Beachfront, Outdoor pool

Bikes available (free)

Front-desk/reception area services
24-hour front desk

Common areas

Cleaning services
Daily maid service

Non-smoking rooms, Non-smoking throughout

Hotel Policies

From 15:00 hours

Untill 11:00 hours

Cancellation / Prepayment
Cancellation, prepayment and 'book now pay later' policies vary according to room type. Please check the room conditions when selecting your room above.

Accepted credit cards
The hotel reserves the right to pre-authorise credit cards prior to arrival.

The fine print
Guests are required to show a photo identification and credit card upon check-in. Please note that all Special Requests are subject to availability and additional charges may apply. Bull Shed is closed from Tue 24 Mar 2020 until Thu 31 Dec 2020 Resort fee includes a souvenir reusable water bottle and the use of yoga mats, Bluetooth radio and canteen coffee cups.

Last updated: 27 Mar 2020 - Update now

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Hotels Nearby

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Our Customers

  • The Sebel Hawkesbury was excellent. Great friendly staff and excellent rooms. 11/10 Highly recommend this Hotel
    A Denman
  • .... reservation process was fast and smooth. Grand Hyatt hotel has met our expectations. Our flight was very late and they allowed us to have late check out at 4 pm without extra charges. Definitely we will book again with
    D Purnamasari
  • Booking our hotel was a fast and painless process with A tick for your company.
    C Lee
  • The resevation service was simple to use and efficient.
    L Britz
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