The ISO by Castle | Resort in Kapaa

| 8.4 (1003 Reviews) |  1 Bathroom
Wailua Resort | The ISO by Castle

Discover The ISO by Castle: Your Ideal Resort in Kapaa, Hawaii

If you are seeking the perfect escape at a stunning resort in Kapaa, Hawaii, look no further than The ISO by Castle. This beachfront property invites you to unwind by the outdoor pool or take a stroll down to the beach for some exciting snorkeling adventures.

The ISO by Castle features 78 comfortably air-conditioned accommodations, each equipped with complimentary toiletries and ceiling fans for your convenience. Each room opens onto a private balcony, allowing you to soak in the beautiful surroundings. Enjoy entertainment on the 42-inch flat-screen televisions with cable channels, and take advantage of the in-room refrigerators and coffee/tea makers for your refreshment. Bathrooms come complete with shower/tub combinations for utmost relaxation.

Your stay at this remarkable resort offers a range of recreational amenities, including access to the outdoor pool, where you can relax and enjoy the tropical atmosphere. Additionally, various recreational activities are available either on-site or nearby, with potential fees applicable.

Where to Stay in Kapaa: Discover the Charm of This Hidden Gem

When considering where to stay in Kapaa, you'll discover a charming blend of local culture, stunning landscapes, and serene beaches. Nestled on the east coast of Kauai, Kapaa is known for its friendly atmosphere and vibrant arts scene, featuring unique shops and local galleries that showcase Hawaiian craftsmanship. This quaint town is also punctuated by lush greenery and picturesque views, making it an ideal destination for outdoor enthusiasts and those seeking laid-back coastal living.

Near The ISO by Castle, you will find an array of activities to enhance your Hawaiian getaway. Relax by the outdoor pool or take a short stroll to the beach for exceptional snorkeling opportunities among beautiful coral reefs. Explore nearby attractions such as the scenic Kealia Beach, perfect for sunbathing and water sports, or embark on the Ke Ala Hele Makalae coastal path for a leisurely bike ride or walk with breathtaking ocean views. With 78 air-conditioned accommodations offering modern amenities, The ISO provides an inviting retreat while keeping you close to the heart of Kapaa's enchanting experiences.

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4-796 Kuhio Hwy, Kapaa, 96746, United States

Amenities

Air Conditioner
Pool
TV
Balcony/Terrace
Security/Safety
Bedding/Linens
Restaurant
Bar
Toiletries
Guest Services
Child Friendly
Internet
Kitchen

Policies

Check-in
Check-in start time: 3:00 pm; check-in end time: 10:00 pm minimum check-in age: 18
Check-out
A late check-out fee will be charged check-out before 11 am late check-out subject to availability
Child Policy
Children are welcome. rollaway/extra beds are not available.
Payment Policy
Late check-out is available for a fee (subject to availability) the above list may not be comprehensive. fees and deposits may not include tax and are subject to change.
Pet Policy
Pets not allowed
Extra-person charges may apply and vary depending on property policy government-issued photo identification and a credit card, debit card, or cash deposit may be required at check-in for incidental charges safety features at this property include a smoke detector special requests are subject to availability upon check-in and may incur additional charges; special requests cannot be guaranteed tax id - w-34434930-01 this property accepts credit cards and debit cards; cash is not accepted this property has outdoor spaces, such as balconies, patios, terraces which may not be suitable for children; if you have concerns, we recommend contacting the property prior to your arrival to confirm they can accommodate you in a suitable room

Reviews

Elizabeth
Aug 4, 2025 02:27:20 PM
Review Score:   6
Summary: The pros: great location - could not be closer to the ocean. Sound of the waves at night was awesome. Friendly staff and nice paths to walk. Cons: dated rooms with a musty smell. Not much space and the outside needed some updates. Parking is cramped.
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FAQ's

Is this The ISO by Castle pet-friendly for guests?

No, pets are not allowed at this property. Check the guest reviews to learn what guests had to share.

Does the The ISO by Castle have a swimming pool?

Yes, this The ISO by Castle has a swimming pool. Check the Facility Overview section for details about the pool and other available facilities.

How much does it cost per night to stay in The ISO by Castle?

Best-rates for the The ISO by Castle starts from $340 per night with includes Restaurant, Guest Services, Internet, Kitchen, Air Conditioner, Pool, TV, Bedding/Linens, Bar, Toiletries, Child Friendly, Balcony/Terrace, Security/Safety with all other facilities. Hotala matches every traveler with their perfect hotel, resort, or rental and whether you are traveling with a group, friends, family, or pets.

Is The ISO by Castle a family-friendly place to stay?

Based on the information we have received from the owner or our partner, this is considered to be a family-friendly property. Families have rated this resort 3 stars or guests have recommended them suitable for families. As reported by the owner or manager, the resort has specified that children are welcome. Please see details about suitability for your family or inquire with the property to learn more.

Is the The ISO by Castle wheelchair accessible or offer services for disabled guests?

Based on the information received from our partner, the The ISO by Castle has not specified they are wheelchair accessible. Likewise, there is not an elevator specified as being available at the property. Specific accessibility details may be addressed in the property details section of this page.

What is the minimum night stay policy for the The ISO by Castle?

Based on the information reported by the owner or manager, the The ISO by Castle indicates 1 day stay policy at this resort. Guests are cautioned that the minimum stay policy may differ based on seasonality or availability and may be at the discretion of the owner or manager.

What cancellation policy is in place for The ISO by Castle?

Based on the information reported by the owner or manager, details for the cancellation policy for the The ISO by Castle are as follows: Cancellation policy Guests are cautioned that the cancellation policy may differ based on seasonality, availability, or current travel restrictions. Guests should also be aware that this policy may be subject to change and should be confirmed prior to booking. More details may be available on this page in the property description. However, early check-in or late check-out can sometimes be negotiated between the guest and the owner or the manager of this property.

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