from$190
See prices from 12 sites
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from$190
See prices from 12 sites
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Good to know

  • Award-winning Bullshed Restaurant

    Savor steak and seafood specialties at the legendary on-site Bullshed Restaurant, renowned for its oceanfront dining and 40-year history.

  • Boutique hotel charm

    Experience a unique boutique hotel ambiance in Kapaa, blending contemporary Hawaiian style with rustic-chic beach decor.

  • Daily oceanfront yoga sessions

    Start your day with invigorating yoga classes held right on the oceanfront lawn, providing a serene and unique wellness experience.

  • Newly refreshed island decor

    Relax in accommodations featuring modern island decor, natural wood tones, and an optimistic color palette, creating a fresh and inviting atmosphere.

  • Oceanfront Kapaa location

    Enjoy a prime beachfront setting in Kapaa, offering stunning ocean views and the soothing sound of waves from every room.

  • Convenient central island base

    Benefit from a central location in Kapaa, making it an ideal base for exploring both the north and south shores of Kauai.

This summary was created by AI and might not be 100% accurate.

About The ISO by Castle

Nestled on the eastern shores of Kauai, The ISO offers boutique accommodations overlooking the Pacific Ocean. Guests can take in the magnificent views from the private balconies or lanais found in each room. Guest rooms adopt a chic island style with neutral tones and hardwood furnishings prevalent, while patio-style doors allow for plenty of natural light. Featured amenities include flat-screen TV, free Wi-Fi, and tea and coffee-making facilities, complete with rich Hawaiian coffee. The hotel features an outdoor pool and sun terrace, while yoga and tai-chi classes are hosted in the garden. Guests looking to explore the region can hire bikes from the hotel, free of charge. Located on site, Bull Shed Restaurant specialises in steaks, seafood, and cocktails, with both indoor and outdoor dining, as well as live entertainment on offer. A complimentary breakfast buffet is also provided. The ISO is about ten minutes’ drive from Wailua River State Park, where popular destinations include Kamokila Hawaiian Village and the Fern Grotto.

Rooms

  • Partial Ocean/Pool View (1st - 2nd Upper Floors)
    Partial Ocean/Pool View (1st - 2nd Upper Floors)
    • 1 2 Double Beds, 1 1 King Bed
    • Sleeps 3
    • 290 sq ft
    • A/C
  • Premium Ocean Front View (1st - 3rd Upper Floors, stair access only)
    Premium Ocean Front View (1st - 3rd Upper Floors, stair access only)
    • 1 1 King Bed
    • Sleeps 3
    • 290 sq ft
    • A/C
  • Ocean View Deluxe Room (2nd Floor)
    Ocean View Deluxe Room (2nd Floor)
    • 1 1 King Bed and 1 Double Sofa Bed, 1 2 Double Beds
    • Sleeps 4
    • 290 sq ft
    • A/C
  • One Bedroom Ocean View (2nd Floor)
    One Bedroom Ocean View (2nd Floor)
    • 1 1 King Bed and 1 Double Sofa Bed
    • Sleeps 4
    • 580 sq ft
    • A/C

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8.0

Very good

based on 3600 ratings from top 
sites
sites
New

Review summary

This AI-generated summary was based on reviews from multiple 
sites

The hotel's oceanfront location and stunning views are consistently highlighted as its most memorable features, offering guests the soothing sound of waves and breathtaking sunrises. This makes it an ideal choice for couples seeking a romantic and peaceful getaway, as well as budget travelers and minimalists who prioritize location and essential amenities over luxury. The property also caters well to families and active travelers due to its convenient access to the coastal bike path and complimentary activities. To make the most of your stay, consider requesting a room on a higher floor for enhanced views and be sure to take advantage of the free bike rentals to explore the surrounding area.


Facilities & Amenities
The hotel offers a range of amenities that enhance the guest experience, including a pool and a fire pit area that are well-maintained and provide relaxing spaces overlooking the ocean. Guests appreciate the availability of free bike rentals, allowing them to explore the nearby coastal multi-use path. Pool towels are provided, and the hotel offers filtered water stations and complimentary reusable water bottles, promoting sustainability. While some guests noted the absence of a pool bar or hot tub, the overall consensus is that the available facilities contribute positively to a quiet and relaxing stay. The property also provides ice machines and free Wi-Fi, ensuring convenience and connectivity for guests.


Cleanliness & Room Comfort
Guests generally find the rooms to be clean and well-maintained, with many appreciating the spacious layouts and high ceilings. Most reviews praise the comfortable beds, ensuring a restful sleep, often accompanied by the soothing sound of ocean waves. While some rooms are described as dated or older in style, recent renovations have updated many, with some now featuring mini-split AC units for effective cooling. However, a recurring concern is a musty odor or dampness in some rooms, particularly those on lower floors or with older AC units, which can lead to warped flooring or mold on fixtures. Bathroom conditions vary, with some noting issues like slow drains or weak water pressure, and a lack of exhaust fans. Amenities like coffee makers and mini-fridges are commonly found and appreciated, though some rooms lack a microwave or sufficient counter space and luggage racks.


Dining & Food Quality
The hotel offers a grab-and-go breakfast that is consistently mentioned as a convenient and cost-saving inclusion. This continental offering typically includes items like yogurt, cereal, muffins, apples, and fresh pineapple. While many guests appreciate the simplicity and convenience, some express a desire for more variety, hot options, or coffee to be available in the breakfast area, noting that coffee is only provided in the rooms. The on-site restaurant, The Bull Shed, receives high praise for its food quality, particularly its steaks and seafood, with many guests enjoying the convenience of dining steps from their room. Some reviews mention a free appetizer offer for hotel guests at the restaurant. However, a few guests found the restaurant to be pricey or noted that its bar service was limited to dining patrons.


Location & Accessibility
The hotel's central location on the island is a significant advantage, making it an excellent base for exploring both the north and south shores of Kauai. It is conveniently situated within walking distance of numerous amenities, including a Safeway grocery store, various restaurants, and other shops, providing easy access to necessities and dining options. The property offers ample free parking, which is a notable benefit. Its direct access to the coastal multi-use path is highly valued by guests who enjoy walking or biking. While the hotel is oceanfront, the immediate beach area is often described as not ideal for swimming due to a shallow reef or rocky conditions, though a swimmable beach is typically a short walk away.


Staff & Service
The staff at the hotel generally receive positive feedback for their friendliness, helpfulness, and attentiveness. Many guests highlight the positive interactions with the front desk team, who are often praised for their accommodating nature, quick check-in process, and willingness to assist with requests. The housekeeping service, which operates on a 24-hour advance request basis, is noted for its efficiency when utilized. However, some guests have reported mixed experiences, with a few encountering staff members perceived as less welcoming or unhelpful, particularly regarding specific requests like towel cards or early breakfast access. Despite these isolated instances, the overall sentiment is that the staff contribute significantly to a pleasant and comfortable stay.


Additional Information
Guests should be aware that the hotel operates with a resort fee, which covers amenities like bike rentals, yoga classes, and the grab-and-go breakfast. While some find this fee reasonable for the included benefits, others feel it is not always clearly explained or justified. The property does not have elevators, which is an important consideration for guests with mobility issues or heavy luggage, as rooms are spread across three floors. Room cleaning is provided only upon a 24-hour advance request, meaning daily service is not standard. The hotel provides beach towels and a beach bag upon check-in, and offers free water bottles with refill stations. Some guests noted the absence of a microwave in individual rooms, with a communal one available in the lobby during limited hours. The hotel also hosts morning yoga classes as a complimentary activity.

Guest reviews

Excellent47%
Very good30%
Good11%
Fair7%
Poor5%

Top amenities

  • WiFi in lobby
  • WiFi in rooms
  • Pool
  • Parking
  • A/C
  • Restaurant
  • Hotel bar

All amenities

Property amenities
  1. Entrance hall/lobby
  2. Parking
  3. Bar
  4. Outdoor pool
  5. Non-smoking rooms
  6. Restaurant
  7. Beach
  8. Deck chairs
  9. Free WiFi in public areas
  10. Early check-in
  11. Pool
  12. WiFi
Room amenities
  1. Shower
  2. Ironing board
  3. Openable windows
  4. Hairdryer
  5. Air conditioning
  6. Telephone
  7. Cable TV
  8. WiFi
  9. Fridge
  10. Fan
  11. Free WiFi in rooms
  12. Coffee machine
Sports facilities
  1. Bike rental
  2. Yoga
Accessibility
  1. Accessible parking

Location

  • 4-796 Kuhio Highway, 
  • 96746, 
  • Kapaa, 
  • USA

Property info

4-796 Kuhio Highway, 96746, Kapaa, USA

Frequently Asked Questions about The ISO by Castle

  • Is there a pool area at The ISO by Castle?

    Yes, The ISO by Castle offers 2 pool areas.

  • Are pets allowed at The ISO by Castle?

    No, The ISO by Castle doesn’t allow pets.

  • Is parking available at The ISO by Castle?

    Yes, The ISO by Castle provides Parking, Accessible parking for guests.

  • What time is check-in and check-out at The ISO by Castle?

    Check-in at The ISO by Castle is available from: . Check-out time is by .

  • Where is The ISO by Castle located?

    The ISO by Castle is located at 4-796 Kuhio Highway, 96746, Kapaa, USA.

The prices and availability we receive from booking sites change constantly. This means you may not always find the exact same offer you saw on trivago when you land on the booking site.

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