The Iso By Castle Hotel Kapa'a, Kapa'a ∞ Discover spa retreats, reviews & deals for 2025

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Key details

About Resort

4-796 Kuhio Hwy, Kapa'a, Hawaii, United States of America, 96746

The Iso By Castle is a 4-star boutique hotel situated on a private oceanfront expanse, offering modern accommodations with a blend of tech-savvy style and rustic beach décor. Guests can enjoy ocean views, a heated swimming pool, and a beachfront restaurant specializing in prime rib and fresh seafood. This Kapa'a hotel is positioned for easy access to Kauai's natural wonders and recreational activities.

Rooms & Amenities

Rooms at The Iso By Castle feature modern island décor with amenities such as free WiFi, private lanais, and flat-screen TVs. Guests can find a kitchenette in the one-bedroom condos as well as a coffee maker with Hawaiian Paradise Coffee in each room. Oceanfront and ocean view studios cater to active travelers looking for comfort after a day of exploration.

Dining Options

Dining options include The Bullshed Restaurant, an oceanfront venue open daily for dinner, serving prime rib and seafood in a relaxed setting. There are several dining options nearby such as Oasis on the Beach and Waipouli Deli and Restaurant, enhancing the culinary experience for guests.

Leisure & Activities

Guests can enjoy recreation amenities such as a heated swimming pool, shuffleboard, and beachfront access. Nearby outdoor activities include golfing, sightseeing at Ho'olalaea Waterfall, and exploring local cultural highlights such as Kela's Glass Gallery. Families are welcome, with up to two children through age 17 staying with at least one adult.

Location & Transportation

The Iso By Castle provides convenient access to the local area, including the commercial center of Lihue, which is 9.5 miles away. Public transportation options are available nearby, with a bus stop just a 3-minute walk from the hotel. Guests can easily reach local shopping, dining, and beautiful beaches such as Waipouli Beach and Fuji Beach.

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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

Deluxe Room

Max:

4 persons

295 sq. feet

Bed options:

1 King Size Bed

Sea view

Shower

Coffee machine

room details

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Oceanfront Room

Max:

2 persons

295 sq. feet

Bed options:

2 Double beds

Sea view

Shower

Coffee machine

room details

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Guest Room

Max:

2 persons

295 sq. feet

Bed options:

2 Double beds

Sea view

Shower

Coffee machine

room details

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Price and Room Availability Calendar

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Getting around

Explore a range of transportation options for your spa getaway

City Center

Kapa'a 1.2 mi

Airports

Lihue (LIH) 9.0 mi

What our guests says about facilities

The hotel offers amenities for your comfortable stay and unforgettable experiences

Ocean View Delight

I loved waking up to an amazing ocean view from my room. The mini fridge and coffee maker were a great touch, allowing me to enjoy morning beverages while soaking in the beautiful scenery. The room was spacious and clean, making it an ideal place to relax after a long day of exploring. Overall, it was a good space to unwind, complete with a cozy beachy decor that added to the charm.

Florence93. United States, 2024-05-15Read full review on

Morning Yoga Bliss

I joined the complimentary sunrise yoga on the lawn every morning, and it was absolutely magical! Practicing yoga while listening to the sounds of the ocean created a serene atmosphere that set the tone for my day. This was the highlight of my stay and a fantastic way to connect with other guests and local nature.

DougTraveler. Canada, 2024-06-30Read full review on

Great Casual Dining

The on-site restaurant, Bullshed, offered delicious meals with fresh ingredients. I enjoyed dining there and was particularly impressed by the catch of the day. While the prices were a bit higher than I expected, the quality of the food made it worth it. I found it to be a convenient option after a long day of adventure.

HerbExplorer. Australia, 2024-08-12Read full review on

Spacious and Comfortable

The bathroom in my room was quite spacious, featuring a bathtub and ample counter space that made it easy to settle in. I appreciated the quality bath products provided, which elevated the overall experience. It was great to have such a comfortable setup to refresh after my outdoor activities!

ChrisAdventure. United Kingdom, 2024-07-19Read full review on

What’s included

General

No smoking on site
Free Wi-Fi in public areas
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

Location

4-796 Kuhio Hwy, Kapa'a, Hawaii, United States of America, 96746

Map view

4-796 Kuhio Hwy, Kapa'a, Hawaii, United States of America, 96746

City landmarks

Mall

Coconut Marketplace

4100 ft

4-484 Kuhio Hwy

Ship Store Galleries

3900 ft

Parks

Lydgate State Park

1.7 mi

Kapaa Bypass Road

Crossroads Christian Fellowship

5200 ft

Beach

Fuji Beach

3100 ft

4504 Kukui St

Aloha Images

1.0 mi

Beach

Kapaa Beach Park

1.3 mi

4433b Panihi Rd

Off The Beaten Path Kauai

2800 ft

4-1170 Kuhio Hwy

Kapaa Hongwanji Mission

3400 ft

4-1300 Kuhio Hwy

Pono Market

4900 ft

Pono Kai Street

5200 ft

Kapaa Bypass

Crossroads Christian Fellowship Kauai

4400 ft

Beach

Lae Nani Beach

5100 ft

Wailua Bay

1.2 mi

Gallery

Aloha Images Gallery

1.0 mi

Beach

Wailua Beach

1.3 mi

Wailua River State Park

Hikinaakala Heiau

1.1 mi

Market

Kapa'a Town Park

1.1 mi

Parks

Lydgate Park

1.7 mi

Kuhio Highway

Wet and Dry Caves

1.4 mi

Kapaʻa

Wailua Heritage Trail

1.2 mi

Parks

Smith Family Garden Luau

1.8 mi

Garden

Smiths Tropical Paradise

1.8 mi

4593-4599 Kuamoo Rd

Pohakuho Ohanau

1.5 mi

4-1613 Kuhio Hwy

NoKa Fair

1.4 mi

4587-4591 Kuamoo Rd

Holoholoku Heiau

1.5 mi

Beach

Wailua River State Park

1.6 mi

Moikeha Canal

1.6 mi

Nearby

Waipouli East Side

Waipouli Beach

1600 ft

4-831 Kuhio Hwy

Art by Mazzarella

700 ft

Restaurants

Lemongrass Grill Seafood & Bar

500 ft

4-871 Kuhio Hwy Ste

Oasis on the Beach

1200 ft

Waipouli Beach Resort & Spa

Coffee Bean & Tea Leaf

900 ft

4-771 Kuhio Hwy

Coconut's Fish Cafe

1500 ft

4-831 Kuhio Hwy Ste 420-424

Starbucks

600 ft

4-831 Kuhio Hwy Ste 208

Papaya's Natural Foods & The Kitchen at Papaya's

600 ft

4-901 Kuhio Hwy

Taps and Hops Eatery

1000 ft

4-885 Kuhio Hwy

The Bull Shed Restaurant

1200 ft

4-796 Kuhio Highway

Makai Lounge

3100 ft

650 Aleka Loop Courtyard by Marriott

Voyager Lanai

3200 ft

650 Aleka Loop Courtyard by Marriott

Reviews and Ratings <br />

Feedback from previous guests about their experience.

72%

loved the resort and would return for another relaxing stay

Stunning views

Clean rooms

Limited breakfast options

Inconsistent service

7.2/10

Very good

Rooms

8.0

Location

9.3

Service

7.0

Dining

5.0

Jay

United States of America, December 2024

6.8/10

This hotel provides a solid value for those looking for an adventure base rather than a traditional resort experience. The views are absolutely stunning, and the basic rooms did the trick for our needs. However, the limited breakfast options and some staff interactions left a bit to be desired. Overall, if you're looking for a no-frills, budget-friendly place to rest between exploring, this could be a great choice.

Rooms

7.0

The rooms are basic but clean, offering a comfortable stay. They come with necessities like a TV and kitchenette, perfect for those who want to prepare a quick meal.

Service

6.0

The service can be hit or miss; while some staff were friendly, others seemed preoccupied and less welcoming.

Location

9.0

Situated in a great spot in Kapaa, you have easy access to the shoreline and nearby conveniences like grocery stores.

Dining

5.0

The breakfast selection is limited, and I found the dining experience lacking in variety, although they did respond to suggestions with some improvements.

Facilities

7.0

The pool area was enjoyable, and the free bike rentals were a nice touch, though they often ran out.

Stunning views

Limited breakfast options

Jerry

United States of America, December 2024

8.0/10

I had a lovely stay at this resort spa, where the sound of the waves made for a peaceful night's sleep. The location right on the beach is fantastic, and I enjoyed the complimentary continental breakfast each morning. However, I found the dining options somewhat limited and could have used better variety. Also, while the staff was friendly, I felt the breakfast could use improvement with more choices available throughout the serving hours.

Rooms

9.0

The rooms were clean and well-maintained with a nice view of the ocean. Each room had basic amenities which made my stay comfortable.

Service

8.0

The staff was accommodating and helpful, making my experience enjoyable.

Location

10.0

The hotel is perfectly situated right on the beach and close to the main attractions and grocery stores.

Dining

5.0

The breakfast offered was quite limited in choices, which was disappointing, especially since it’s an important meal of the day.

Facilities

8.0

The resort has great amenities like a pool and bike rentals, which added to the fun of my trip.

Ocean-view rooms

Limited breakfast

William

United States of America, December 2024

7.0/10

I had an overall good stay at the hotel for 4 nights. The room was spacious and clean, and despite the lack of air conditioning, we enjoyed a nice breeze by opening the windows. However, the breakfast was quite disappointing due to the unhealthy options and excessive waste produced from single-use plastics.

Rooms

8.0

The room was spacious and clean, which made for a comfortable stay.

Service

9.0

The staff was very friendly and accommodating, especially when I needed assistance.

Location

Dining

5.0

The breakfast options were mainly sugary and not very healthy, which was a letdown. The waste from single-use dishes was concerning.

Facilities

Brian

United States of America, November 2024

6.6/10

I enjoyed my stay at this resort, which has a stunning beachfront location and the rooms are clean and comfortable. The amenities like the pool were nice, and I loved the sunrise yoga sessions every morning. However, my initial experience was marred by an issue with bugs in my first room and the dining options were pretty limited. Overall, great value for the price though!

Rooms

7.0

The room I ended up in after a switch was much larger and cleaner with a lovely view from the private terrace. However, my first room was small and not inviting.

Service

5.0

The service was a bit hit or miss, as I encountered a rude response when I raised my concerns about the bugs, but the maintenance staff was understanding and helpful.

Location

9.0

The resort is perfectly positioned right on the beach, making it a wonderful spot for exploring Kauai while being close to lots of shops and restaurants.

Dining

5.0

Breakfast options were limited and served in plastic dishes, and often not much left by the time I got to it, which was disappointing.

Facilities

8.0

The pool was a great spot with a perfect temperature and nice seating, though I didn’t get the chance to use it much.

Stanley

United States of America, November 2024

7.6/10

I had a wonderful stay at this hotel with its stunning oceanfront views and beautifully maintained grounds. The rooms were recently renovated, providing a modern and comfortable atmosphere. However, breakfast could be improved, and some aspects of the service felt a bit off. Overall, it offers good value for the price.

Rooms

9.0

The rooms are spacious, clean, and beautifully updated with modern decor, offering a private lanai that enhances the experience.

Service

7.0

While the service had its ups and downs, overall, the staff were polite and attentive to my needs.

Location

9.0

The hotel is perfectly situated right on the beach and close to Kapa'a's food and shopping options, making it very convenient.

Dining

5.0

Breakfast was basic and often lacked fresh options, with some days missing items that were advertised.