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From69US$ /night
Check-in
10Jan2026Select date
Check-out
11Jan2026Select date
Rooms and Guests2 Guests, 1 Room
Key details

About the Hotel

4-796 Kuhio Highway, Kapa'a, Hawaii, United States, 96746
-
Steps from Waipouli Beach
Great
8.2
8.2
/10
3.6
/5

Location

The ISO is located in Kapa'a, Kaua'i's sunny east coast. This boutique hotel sits on a private oceanfront expanse at the intersection of Island, Sky, and Ocean. The convenient location allows easy access to Kaua'i's adventures and natural beauty.

Rooms

The ISO offers a range of accommodations, from Ocean View Deluxe rooms with private lanais to One Bedroom Ocean View suites complete with kitchenettes. Each room type blends contemporary decor with scenic ocean vistas, catering to couples and families alike. Partial Ocean/Pool View rooms capture the essence of Kaua'i and provide ample space for relaxation.

Dining

On-site dining is available at The Bull Shed, renowned for its Prime Rib and fresh seafood. Guests can enjoy meals with stunning ocean views, either indoors or outside. Happy Hour extends daily, offering a selection of cocktails and an ambiance suitable for any occasion.

Wellness

The ISO promotes wellness through morning oceanfront yoga sessions, designed to enhance guest relaxation. Guests have access to yoga mats for their personal use during the session. A serene ocean view provides a calming backdrop for these morning practices.

Additional Amenities

The hotel offers complimentary Grab & Go breakfasts and bicycles for use during the stay. An oceanfront swimming pool invites guests to unwind under the sun. Guests will also find a water refill station and self-parking for added convenience.

Highlights

Location: Private oceanfront expanse, Kaua'i's east coast

Rooms: One Bedroom Ocean View suites with kitchenettes

Dining: The Bull Shed with ocean views

Wellness: Morning oceanfront yoga sessions

Additional: Complimentary Grab & Go breakfast

Must-do experiences

  • Visit the breathtaking Wailua Falls for stunning photo ops.
  • Try the poke bowls at Fish Express for a fresh local meal.
  • Explore the hidden Secret Beach for a quiet, scenic retreat.
  • Don't miss the Kapa'a Sunday Farmers Market for local goods.
  • Take a hula class at the Kapa'a Community Center for cultural fun.
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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
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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, guests can indulge in delightful American dishes at the Bull Shed, a beachfront restaurant that combines family-friendly vibes with romantic backdrops. This inviting dining space offers hearty options perfect for unwinding after a day of exploration, all while soaking in the picturesque surroundings of historic Kapaa.

Bull Shed

American steak and seafood specialties
Ambiance
Relaxed, family-style setting with beachfront views
Key Offerings
Signature steaks and fresh seafood served in a cozy atmosphere, ideal for both casual family gatherings and intimate dinners.
Reservation
Reservations recommended for dinner
Open daily from 4:30 PM to 9:30 PM

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
Local Activities & Dining Near The Iso By Castle
Top Attractions
Activities
Dining
Entertainment
Waipouli Beach
Waipouli Beach
6 minutes' walk
Waipouli Beach features stunning views and calm waters, perfect for swimming and relaxation.
Coconut Marketplace
Coconut Marketplace
15 minutes' walk
Coconut Marketplace offers shops, dining, and arts, providing a lively spot for local crafts and cuisine.
Fern Grotto
10-minute drive
Fern Grotto is a picturesque natural landmark known for its lush ferns and accessible guided boat tours.
Lydgate State Park
Lydgate State Park
10-minute drive
Lydgate State Park features beautiful beaches, picnic areas, and a unique children's play area in a scenic setting.
Kayaking on the Wailua River
10-minute drive
Kayaking lets you experience the river's beauty. Rentals available nearby; book in advance for guided tours.
Yoga on the Beach
6 minutes' walk
Beach yoga sessions offer tranquility and stunning views. Check local schedules for classes available throughout the week.
Lemongrass Grill Seafood & Bar
Lemongrass Grill Seafood & Bar
2 minutes' walk
Lemongrass features fresh seafood with Asian flavors in a relaxed setting; reservations recommended for peak times.
Oasis on the Beach
Oasis on the Beach
5 minutes' walk
Oasis offers beachfront dining with local dishes and incredible sunset views. Special dietary options available.
Coconut's Fish Cafe
Coconut's Fish Cafe
6 minutes' walk
Coconut's specializes in fresh fish tacos and casual dining. A must-visit for a laid-back meal.
The Hanalei Center
10-minute drive
The Hanalei Center features live music on certain nights, creating a vibrant atmosphere. Check the schedule for events.
Kapa'a Beach Park
25 minutes' walk
This beach park is great for family picnics, with playgrounds and occasional community events, ensuring fun for all ages.
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
FAQs
About The Iso By Castle
What are the check-in and check-out times at The Iso By Castle?
Check-in is at 15:00 and check-out is at 11:00.
Is parking available at The Iso By Castle?
Free public parking is available on-site without the need for reservations.
What are the nearby attractions to The Iso By Castle?
Nearby attractions include Waipouli Beach (1 km), Lydgate State Park (2 km), and Fern Grotto (5 km).
What dining options are available at The Iso By Castle?
The Bullshed Restaurant serves dinner daily and features oceanfront dining with steak and seafood specialties.
How far is Lihue Airport from The Iso By Castle?
Lihue Airport is located 5 km away, approximately a 15-minute drive.
Are there any recreational activities available at The Iso By Castle?
Recreational activities include an outdoor swimming pool, shuffleboard courts, and bicycle rentals.
What amenities are provided in the rooms at The Iso By Castle?
Rooms feature free Wi-Fi, a flat-screen TV, air conditioning, a private lanai, and coffee-making facilities.
Is breakfast included at The Iso By Castle?
A complimentary grab-and-go breakfast offering granola, yogurts, and fresh fruits is available.
Are yoga classes offered at The Iso By Castle?
Daily oceanfront yoga classes are available for guests.
Which languages are spoken by the staff at The Iso By Castle?
The staff primarily speaks English.
What style of hotel is The Iso By Castle?
The property is a beachfront boutique hotel with a wellness focus.
What type of views can guests expect from the rooms at The Iso By Castle?
Guests can enjoy views of the Pacific Ocean from their rooms.

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