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From69US$ /night
Check-in
10Dec2025Select date
Check-out
11Dec2025Select date
Rooms and Guests2 Guests, 1 Room
Key details

About the Resort

4-796 Kuhio Highway, Kapa'a, Hawaii, United States, 96746
-
Next to the beach
Perfect
8.1
8.2
/10
3.6
/5

The Iso By Castle - Beach Vibe near Lihue

The ISO By Castle is located 15 km from Lihue, offering oceanfront accommodations and access to Waipouli Beach and Fuji Beach. The property features The Bullshed Restaurant, which offers oceanfront dining with steak and seafood specialties. Guests can enjoy a heated swimming pool, barbecue area, and shuffleboard. Waipouli town center, with Foodland, Safeway, Longs Drugs, and Starbucks, is nearby. The property offers convenient access to the Napali Coast and Hanalei. Other services include complimentary grab-and-go breakfast, bicycle use, and morning oceanfront yoga. A resort fee applies, covering grab-and-go breakfast, self-parking, Wi-Fi access, bicycle use, morning yoga, a souvenir reusable water bottle, a water refill station, and in-room coffee/tea.

Additional perks of the hotel

On-site restaurant: The Bull Shed.

Guest self-parking.

Water refill station.

WiFi in common areas.

Professional staff.

Castle Resorts & Hotels management.

Guest Rooms

The ISO offers refreshed 290sf rooms with modern island décor in cool tropical colors. Rooms feature free WiFi access, a ceiling fan, a private lanai, a mini-refrigerator, a coffee maker with Hawaiian Paradise Coffee, a flat-screen TV, a Bluetooth/USB clock radio, and a reusable water bottle. Oceanfront and ocean view studios and one-bedroom condos are available. Some rooms include a private Hawaiian-style patio. Each unit includes a private bathroom with a bath or shower.

Other conveniences

Air conditioning.

Non-smoking rooms.

Shower or shower/tub combination.

Use of yoga mats.

Tea and coffee maker.

Sitting area

Dining table

Free toiletries

Cookware/ Kitchen utensils

View all

Select your room type

The hotel offers a variety of rooms including double rooms, family rooms, and suites with breakfast, free cancelations, and special deals
Studio Ocean View
2 persons
27 m² 
1 King-size bed
Shower
Coffee machine
Studio Pool View
2 persons
27 m² 
1 King-size bed
Shower
Coffee machine
Deluxe Ocean View
4 persons
27 m² 
1 King-size bed and 1 Sofa bed
Shower
Coffee machine
Hotel Ocean Front
2 persons
27 m² 
2 Double beds
Shower
Coffee machine
Click button to see more rooms
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Price and Room Availability Calendar

Check availability and prices for your dates now!

Facilities

The hotel offers amenities for your comfortable stay and unforgettable experiences

General

  • No smoking on site
  • Free Wi-Fi
  • Parking
  • No pets allowed
  • Key card access

Sports & Fitness

  • Yoga class

Guest Parking

  • Cookware/ Kitchen utensils

Dining

  • Restaurant
  • Bar/ Lounge area

Spa & Leisure

  • Outdoor swimming pool
  • Beach access

Room features

  • Air conditioning
  • Sitting area
  • Patio
  • Dining table

Bathroom

  • Free toiletries

Self-catering

  • Cookware/ Kitchen utensils

Media

  • Flat-screen TV
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Dining Onsite

At The Iso By Castle, dining options are designed to delight every palate, capturing the essence of American cuisine in a captivating beachfront setting. Guests can indulge in delectable seafood and steak specialties while soaking in the casual, family-friendly atmosphere as the sun sets over the stunning Kapaa coast.

Bull Shed

American with a focus on steak and seafood
Ambiance
Relaxed family-style dining overlooking the beach in historic Kapaa
Key Offerings
Signature steak and fresh seafood dishes served in a cozy setting, ideal for both light meals and hearty dinners
Reservation
Recommended
Open daily for dinner from 16:30 to 21:30

Location

4-796 Kuhio Highway, Kapa'a, Hawaii, United States, 96746
Map view
4-796 Kuhio Highway, Kapa'a, Hawaii, United States, 96746
Nearby
Waipouli East Side
Waipouli Beach
480 m
4-831 Kuhio Hwy
Art by Mazzarella
190 m
Restaurants
Lemongrass Grill Seafood & Bar
150 m
4-871 Kuhio Hwy Ste
Oasis on the Beach
340 m
Waipouli Beach Resort & Spa
Coffee Bean & Tea Leaf
250 m
4-771 Kuhio Hwy
Coconut's Fish Cafe
450 m
4-831 Kuhio Hwy Ste 420-424
Starbucks
170 m
4-831 Kuhio Hwy Ste 208
Papaya's Natural Foods & The Kitchen at Papaya's
170 m
4-901 Kuhio Hwy
Taps and Hops Eatery
300 m
4-885 Kuhio Hwy
The Bull Shed Restaurant
340 m
4-796 Kuhio Highway
Makai Lounge
930 m
650 Aleka Loop Courtyard by Marriott
Voyager Lanai
960 m
650 Aleka Loop Courtyard by Marriott
Explore Kapa'a
Explore Kapa'a
Top Attractions
Activities
Dining
Entertainment
Waipouli Beach
Waipouli Beach
6 minutes walking
Stunning white sands and crystal-clear waters, ideal for swimming and sunbathing.
Coconut Marketplace
Coconut Marketplace
15 minutes walking
A shopping hub featuring local shops, eateries, and unique Hawaiian souvenirs.
Lydgate State Park
Lydgate State Park
30 minutes walking
Beautiful park with picnic areas, a beach, and educational walking trails among nature.
Off The Beaten Path Kauai
10 minutes walking
Guided kayak tours and hiking experiences ideal for adventure seekers.
Yoga on the Beach
6 minutes walking
Relaxing yoga classes held on Waipouli Beach, appropriate for all levels.
Oasis on the Beach
Oasis on the Beach
5 minutes walking
Beachfront dining featuring fresh seafood, tropical cocktails, and sunset views.
Coconut's Fish Cafe
Coconut's Fish Cafe
6 minutes walking
Casual spot known for its fresh fish tacos and laid-back atmosphere. Great for families.
Kapaa Beach Park
25 minutes walking
A vibrant park featuring outdoor games, picnic spaces, and local events for families.
Live Music Venues in Kapa'a
15 minutes walking
Local bars and cafes host live music nights, showcasing the best of Hawaiian talent.
Getting around
City Centre
Kapa'a23 min  ·  1.9 km
Airports
Lihue Airport (LIH)22 min  ·  14.5 km
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Property information and rules
Check-in
from 15:00-22:00
Check-out
until 11 am
Guest Parking
Public parking is possible on site for free.
Internet
is available in public areas for free.
Children & extra beds
There are no cots provided in a room. 
Pets
Pets are not allowed.
Number of rooms:
80
Former name
Castle Mokihana
Questions of the users
About The Iso By Castle
What can you tell me about the beach access near the hotel? Is it safe and suitable for swimming?
10 January 2024
The beach directly in front of the hotel has some rocky areas, but swimming is possible. Lydgate Beach, approximately 1.6 kilometers away, is a great alternative for swimming and has sandy areas.
Are there any additional resort fees that I should be aware of when booking my stay?
05 February 2024
Yes, there is a daily resort fee that covers amenities such as WiFi and access to certain facilities.
I'm interested in a room with an ocean view. Can I expect that the view will match the pictures online?
12 March 2024
When booking an ocean view room, the description guarantees an ocean view, but the specific room type may vary.
Are there any hidden charges beyond the quoted price when I make my reservation?
20 April 2024
There is a daily resort fee, which is an additional charge beyond the price quoted during the booking process.
Can I cook simple meals in the hotel's kitchenette?
15 May 2024
Unfortunately, there are no cooking facilities available at the property.
Is it feasible for a family of four, including two adults and two children, to stay in a standard room with two double beds?
22 June 2024
Yes, a standard room with two double beds can comfortably accommodate two adults and two children.
Are beach chairs available for guests at the hotel, or should I consider renting my own?
18 July 2024
Beach chairs are available to guests, subject to availability, so it's best to inquire during your stay.
What recreational facilities does the hotel offer, such as a swimming pool?
30 August 2024
Yes, there is an oceanfront swimming pool available for guests to enjoy during their stay.
Is public transportation available near the hotel for those not planning to rent a car?
11 September 2024
Yes, the Kauai Bus service is accessible and can be an option for exploring the area.
Is WiFi connectivity provided in the rooms and common areas throughout the hotel?
29 October 2024
Yes, WiFi is available in guest rooms as well as in common areas of the hotel.
Are there any options for breakfast included with the booking?
07 November 2024
Yes, there is a complimentary grab-and-go breakfast included with the room rate.

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