1,376 reviews
From
$1374-796 Kuhio Highway, Kapaa, 96746, Hawaii, United States
1,376 reviews
1/55

Free parking
Restaurant
Beachfront
Outdoor swimming pool
Free wifi
Beach
Air conditioning
Bar
Welcome to The ISO by Castle, your ideal Hawaiian getaway nestled in the charming town of Kapa‘a! This delightful 4-star hotel is more than just a place to sleep; it’s a vibrant setting where relaxation meets adventure. Located just 1.5 kilometers from the city center, you’re perfectly positioned to explore local attractions while enjoying the serenity of beachfront living. With prices starting from only $137, you can experience the beauty of Hawaii without breaking the bank.
Every stay at The ISO by Castle comes with a buffet of amenities tailor-made for your comfort and enjoyment. Enjoy breathtaking ocean views from your balcony as you sip on a tropical drink from the bar, or take a leisurely stroll to the beach just steps away. Feeling adventurous? Dive into the outdoor swimming pool or whip up a feast in your own kitchenette, stocked with kitchenware for all your culinary needs. With free parking, free Wi-Fi, and non-smoking rooms, this hotel has all you need to unwind and escape from everyday life.
With over 1,183 reviews, travelers rave about their experiences, highlighting the fantastic service and stunning surroundings. Whether you're lounging on the patio, enjoying free toiletries, basking in the sun, or savoring a meal at the on-site restaurant, The ISO by Castle is not just a place to stay—it's a slice of paradise waiting for you to explore. Plan your unforgettable Hawaiian getaway today!
At The ISO by Castle, every corner brims with charm, ensuring your Hawaiian vacation is as lively as it is relaxing! Dive into the refreshing outdoor pool, where you can splash under the golden sun or lounge poolside with your favorite book. For those looking to satisfy their appetites without straying far from paradise, the on-site Bull Shed restaurant promises a delightful dining experience with its family-friendly vibe and a menu packed with tasty American fare. Whether you're sharing laughs over a meal or enjoying a romantic dinner under the stars, the ambiance here perfectly complements the picturesque surroundings.
When it comes to lodging, The ISO by Castle doesn't cut corners. The diverse range of room types means that you and your travel companions can find the perfect fit for your needs. From spacious suites designed to accommodate the whole gang to cozy oceanview rooms where you can soak in the stunning sunsets, your comfort is top priority. With options that cater to up to 10 adults, everyone’s invited to the party! After a day filled with adventures, return to your sanctuary, complete with modern amenities and beautiful views to enjoy that classic Hawaiian breeze.
And let’s not forget about the friendly staff! The ISO by Castle prides itself on delivering service that feels like a warm hug—always ready to share tips about local hotspots or help with your plans for the day. From leisurely beach days to heart-pounding adventures like snorkeling and hiking, Kapa‘a offers an endless playground for exploration. Enhance your experience with unforgettable memories and Instagram-worthy moments that will last a lifetime! The ISO by Castle is not just a destination; it’s where your Hawaiian dreams come alive.
Closest airports
Lihue Airport
6miFree parking
Restaurant
Beachfront
Outdoor swimming pool
Free wifi
Beach
Air conditioning
Bar
Parking On Site
Ocean view
Kitchen
Non-smoking rooms
Kitchenette
Patio
Kitchenware
View
Free toiletries
Balcony
Show 6 photos
Deluxe Room, King or 2 Double Beds, Ocean View
2 Double Beds
1 King Size Bed
Balcony
Free wifi
Flat-screen TV
Refrigerator
x4
+
x3
More details
Soak in gorgeous Pacific scenery from the private lanai of these recently upgraded accommodations. Comfort & style prevail through stylish island decor, WiFi, flat screen, air conditioning, ceiling fan, coffeemaker, and refrigerator. With prime views of Kauai’s eastern shore, these rooms appeal with modern island decor, natural wood tones and a cheerful color palette. Includes 1 King or 2 Double beds. Located on the 2nd Floor. Accessible by stairs only.
Show 6 photos
Room, King or 2 Double Beds, Beachfront
2 Double Beds
1 King Size Bed
Balcony
Free wifi
Flat-screen TV
Refrigerator
x3
+
More details
Enjoy the Pacific views from your private lanai in these newly upgraded guest rooms with chic island decor. Conveniences include WiFi, flat screen, air conditioning, ceiling fan, and refrigerator. With views of the magnificent Pacific ocean from your private lanai, you can’t go more “oceanfront” than this. These rooms feature contemporary island decor & natural wood tones balanced by a cheerful color palette. Includes 1 king bed or 2 double beds. Located on 1st, 2nd, or 3rd floor. Upper floors accessible by stairs only.
Show 5 photos
Room, King or 2 Double Beds, Ocean View
2 Double Beds
1 King Size Bed
Balcony
Free wifi
Flat-screen TV
Refrigerator
x3
+
More details
Embrace stylish comfort with gorgeous views of Kauai’s eastern shore. These refreshed 290sf rooms feature modern island decor, WiFi, air conditioning, ceiling fan, private lanai, refrigerator, coffeemaker, flat screen. Experience Kauai’s relaxing vibe in these rooms with epic eastern shore vistas from the private lanai. Includes 1 King bed or 2 Double beds. Located on 1st, 2nd, or 3rd floor. Upper floors accessible by stairs only.
Show 3 photos
Room, King or 2 Double Beds, Partial Ocean View
2 Double Beds
1 King Size Bed
Balcony
Free wifi
Flat-screen TV
Tea/Coffee maker
x4
+
x3
More details
Embrace stylish comfort with gorgeous views of Kauai’s eastern shore. These refreshed 290sf rooms feature modern island decor, WiFi, air conditioning, ceiling fan, private lanai, refrigerator, coffeemaker, flat screen. Experience Kauai’s relaxing vibe in these rooms with epic eastern shore vistas from the private lanai. Includes 1 King bed or 2 Double beds. Located on 1st, 2nd, or 3rd floor. Upper floors accessible by stairs only.
Show 2 photos
Superior Room, King or 2 Double Beds, Beachfront
2 Double Beds
1 King Size Bed
Balcony
Free wifi
Flat-screen TV
Tea/Coffee maker
x4
+
x3
More details
Enjoy the Pacific views from your private lanai in these newly upgraded guest rooms with chic island decor. Conveniences include WiFi, flat screen, air conditioning, ceiling fan, and refrigerator. With views of the magnificent Pacific ocean from your private lanai, you can’t go more “oceanfront” than this. These rooms feature contemporary island decor & natural wood tones balanced by a cheerful color palette. Includes 1 king bed or 2 double beds. Located on 1st, 2nd, or 3rd floor. Upper floors accessible by stairs only.
Show 6 photos
Room, 1 Bedroom, 2 Beds, Kitchenette, Ocean View
290 sqft
Kitchenette
Flat-screen TV
Refrigerator
Tea/Coffee maker
+
More details
The air-conditioned suite features 1 bedroom and 1 bathroom with a shower and a hairdryer. The suite's kitchenette, which has a refrigerator and kitchenware, is available for cooking and storing food. The suite provides a tea and coffee maker, a seating area, a dining area, a flat-screen TV with cable channels, as well as sea views. The unit offers 2 beds. The unit is located on the second floor and is accessible by stairs only.

Show 11 photos
Suite, Beach View
1 King Size Bed
1 Sofa Bed
635 sqft
Ocean view
Kitchen
Private Bathroom
Balcony
+
More details

Show 6 photos
Room, 1 Bedroom, Kitchenette, Ocean View
1 Sofa Bed
1 King Size Bed
290 sqft
Ocean view
Private Bathroom
Kitchenette
Kitchenware
x4
+
x3
More details

Show 9 photos
Deluxe Room, 2 Double Beds, Ocean View
1 Sofa Bed
1 Queen Size Bed
2 Double Beds
290 sqft
Ocean view
Private Bathroom
Flat-screen TV
Refrigerator
x3
+
x3
More details

Show 10 photos
Room, 2 Double Beds, Beachfront
2 Double Beds
1 Queen Size Bed
290 sqft
Ocean view
Private Bathroom
Flat-screen TV
Refrigerator
x3
+
More details

Show 6 photos
Room, 2 Double Beds, Ocean View
2 Double Beds
1 Queen Size Bed
290 sqft
Ocean view
Private Bathroom
Flat-screen TV
Refrigerator
x4
+
x3
More details

Show 9 photos
Deluxe Room, Double or 2 Twin Beds, Ocean View
1 Sofa Bed
1 Queen Size Bed
2 Double Beds
290 sqft
Ocean view
Private Bathroom
Flat-screen TV
Refrigerator
x3
+
x3
More details
8.1
1,376 reviewsCategories of assessments
Cleanliness
Comfort
Location
Facilities
Staff
Value for money
WiFi quality
Attractions
Lihue
4.1miWailua Falls
5.2miKauai Museum
6.7miMenehune Fish Pond
8.5miMt. Waialeale
11.3miDaniel K. Inouye Kilauea Point Lighthouse
12.9miMakauwahi Cave Reserve
13.5miHanalei Bay
15.4miAnini Beach
17.3miMakua Beach (Tunnels Beach)
19miLimahuli Garden and Preserve
19.6miNa Pali Coast
21.7miPolihale State Park
23.9miWaimea Canyon
24.9miKoke'e State Park
24.9miAttractions
Lihue
4.1miWailua Falls
5.2miKauai Museum
6.7miMenehune Fish Pond
8.5miMt. Waialeale
11.3miDaniel K. Inouye Kilauea Point Lighthouse
12.9miMakauwahi Cave Reserve
13.5miHanalei Bay
15.4miAnini Beach
17.3miMakua Beach (Tunnels Beach)
19miLimahuli Garden and Preserve
19.6miNa Pali Coast
21.7miPolihale State Park
23.9miWaimea Canyon
24.9miKoke'e State Park
24.9miAirports
Lihue Airport
6miBull Shed
Cuisines
Ambiances
Location
Free parking
Restaurant
Beachfront
Outdoor swimming pool
Free wifi
Beach
Air conditioning
Bar
Parking On Site
Ocean view
Kitchen
Non-smoking rooms
Kitchenette
Patio
Kitchenware
View
Free toiletries
Balcony
Accessibility
Upper floors accessible by stairs only
Activities
Beach
Bicycle rental
Bathroom
Bathtub or shower
Free toiletries
Hairdryer
Private Bathroom
Shower
Toilet
Toilet paper
Towels
Bedroom
Alarm clock
Linens
Food & Drink
Bar
Restaurant
Tea/Coffee maker
General
Air conditioning
Non-smoking rooms
Smoke-free property
Internet
Free wifi
Kitchen
Coffee machine
Dining table
Kitchen
Kitchenette
Kitchenware
Oven
Refrigerator
Stovetop
Toaster
Living Area
Dining area
Sitting area
Media & Technology
Cable channels
Flat-screen TV
Telephone
TV
Outdoors
Balcony
Beachfront
Patio
Parking
Free parking
Parking On Site
Room Amenities
Fan
Iron
Safety & security
Key card access
Spa
Outdoor swimming pool
Yoga classes
View
Ocean view
View
From 15:00
Until 21:00
Guests are required to show a photo identification and credit card upon check-in
Until 11:00
Pets are not allowed.
WiFi is available in public areas and is free of charge.
The minimum age for check-in is 18
Come and go whenever you want
Free public parking is available on site (reservation is not needed).
Child policies
Children of all ages are welcome.
Children 18 and above will be charged as adults at this property.
To see correct prices and occupancy info, add the number and ages of children in your group to your search.
Crib and extra bed policies
No capacity for extra beds or cribs.
American Express,
Visa,
Discover,
Mastercard
This property does not accept cash.
What's the check-in and check-out schedule at The ISO by Castle?
The standard timings at The ISO by Castle are as follows: Check-in from 03:00 PM to 09:00 PM and check-out no later than 11:00 AM.
Can guests park for free at The ISO by Castle?
Yes, there is parking available at The ISO hotel, and it is free of charge. The parking is located on-site and is open to the public. No reservation is required to use the parking facilities at the hotel.
What's the nightly rate at The ISO by Castle?
The base price for The ISO by Castle starts at $137. Do note, the cost might change depending on room preferences and dates. To see the actual prices, input your desired dates.
What types of rooms does The ISO by Castle offer?
The hotel offers a variety of rooms including One Bedroom Ocean View with Kitchenette, "Newly Renovated" Hotel Ocean Front, "Newly Renovated" Hotel Ocean View, and Deluxe Ocean View. The rooms range in occupancy from 2 to 4 adults and 1 to 3 children. All rooms are non-smoking and have a room size of 291 square feet. The bed configurations include sofa beds, king-size beds, queen-size beds, and double beds.
What activities does The ISO by Castle offer?
At The ISO hotel, guests can enjoy their time by taking advantage of the leisure amenities provided. They can relax by the outdoor swimming pool or unwind at the beachfront. For those who want to stay active, there is a bicycle rental available to explore the surroundings. Additionally, yoga classes are offered for guests who would like to maintain their fitness routine during their stay.
When it comes to dining, guests can indulge in a variety of cuisines at the on-site restaurant called Bull Shed. With its family-friendly, traditional, modern, and romantic ambiances, there is a suitable atmosphere for every occasion and preference. The restaurant specializes in American cuisine, offering guests a diverse menu of delicious dishes to choose from.
Overall, guests at The ISO hotel can enjoy a combination of relaxation and recreational activities, while also experiencing delightful dining options.
Can guests use a pool at The ISO by Castle?
The ISO hotel has an outdoor pool.
Does The ISO by Castle have on-site restaurants?
Yes, The ISO hotel has a restaurant on-site called Bull Shed. It offers a variety of cuisines with an ambiance that ranges from family-friendly to romantic. The restaurant provides a mix of traditional and modern American dishes.
What methods of payment does The ISO by Castle accept?
The ISO accepts payments through American Express, Visa, Discover, and Mastercard. However, cash payments are not accepted.

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