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THE ISO HOTEL, Trademark Collection by Wyndham

3.5 star property

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House, 1 Bedroom, Non Smoking (Beach) | Laptop workspace, blackout curtains, Internet, bed sheets
House, 1 Bedroom, Non Smoking (Beach) | Laptop workspace, blackout curtains, Internet, bed sheets
Premium Ocean Front View (1st - 3rd Upper Floors, stair access only) | View from room
Ocean View (1st - 3rd Upper Floors, stair access only | View from room
Premium Ocean Front View (1st - 3rd Upper Floors, stair access only) | Laptop workspace, blackout curtains, Internet, bed sheets

Reviews

8.4 out of 10
Very good

Popular amenities

  • Breakfast included
  • Air-conditioning
  • Bar

Explore the area

View in a map
4-796 Kuhio Hwy, Kapaa, HI, 96746
  • Place, Waipouli Beach
    ‪3 min walk‬
  • Place, Coconut Marketplace
    ‪14 min walk‬
  • Place, Lae Nani Beach
    ‪3 min drive‬
  • Airport, Lihue, HI (LIH)
    ‪13 min drive‬

Room options

View all photos for House, 1 Bedroom, Non Smoking (Beach)

House, 1 Bedroom, Non Smoking (Beach) | Laptop workspace, blackout curtains, Internet, bed sheets

House, 1 Bedroom, Non Smoking (Beach)

  • Sleeps 4
  • 1 King Bed

Suite, 1 Bedroom, Non Smoking, Ocean View

  • Sleeps 4
  • 1 King Bed

View all photos for Deluxe Room, 1 King Bed, Non Smoking, Ocean View

Deluxe Room, 1 King Bed, Non Smoking, Ocean View | Laptop workspace, blackout curtains, Internet, bed sheets

Deluxe Room, 1 King Bed, Non Smoking, Ocean View

  • Sleeps 4
  • 1 King Bed

View all photos for Room, 1 King Bed, Non Smoking, Ocean View

Room, 1 King Bed, Non Smoking, Ocean View | Laptop workspace, blackout curtains, Internet, bed sheets

Room, 1 King Bed, Non Smoking, Ocean View

  • Sleeps 3
  • 1 King Bed

View all photos for Room, 1 King Bed, Non Smoking, Oceanfront

Room, 1 King Bed, Non Smoking, Oceanfront | Laptop workspace, blackout curtains, Internet, bed sheets

Room, 1 King Bed, Non Smoking, Oceanfront

  • Sleeps 3
  • 1 King Bed

View all photos for Room, 1 King Bed, Non Smoking, Partial Sea View (Pool View)

Room, 1 King Bed, Non Smoking, Partial Sea View (Pool View) | Laptop workspace, blackout curtains, Internet, bed sheets

Room, 1 King Bed, Non Smoking, Partial Sea View (Pool View)

10.0 out of 10
Exceptional
(1 review)
  • Sleeps 3
  • 1 King Bed

View all photos for Premium Room, 1 King Bed, Non Smoking, Oceanfront

Premium Room, 1 King Bed, Non Smoking, Oceanfront | Laptop workspace, blackout curtains, Internet, bed sheets

Premium Room, 1 King Bed, Non Smoking, Oceanfront

  • Sleeps 3
  • 1 King Bed

View all photos for Deluxe Room, 2 Double Beds, Non Smoking, Ocean View

Deluxe Room, 2 Double Beds, Non Smoking, Ocean View | Laptop workspace, blackout curtains, Internet, bed sheets

Deluxe Room, 2 Double Beds, Non Smoking, Ocean View

  • Sleeps 4
  • 2 Double Beds

View all photos for Room, 2 Double Beds, Non Smoking, Ocean View

Room, 2 Double Beds, Non Smoking, Ocean View | Laptop workspace, blackout curtains, Internet, bed sheets

Room, 2 Double Beds, Non Smoking, Ocean View

  • Sleeps 4
  • 2 Double Beds

Room, 2 Double Beds, Non Smoking, Oceanfront

  • Sleeps 4
  • 2 Double Beds

View all photos for Room, 2 Double Beds, Non Smoking, Partial Sea View (Pool View)

Room, 2 Double Beds, Non Smoking, Partial Sea View (Pool View) | Laptop workspace, blackout curtains, Internet, bed sheets

Room, 2 Double Beds, Non Smoking, Partial Sea View (Pool View)

  • Sleeps 4
  • 2 Double Beds

View all photos for Premium Room, 2 Double Beds, Non Smoking, Oceanfront

Premium Room, 2 Double Beds, Non Smoking, Oceanfront | Laptop workspace, blackout curtains, Internet, bed sheets

Premium Room, 2 Double Beds, Non Smoking, Oceanfront

  • Sleeps 4
  • 2 Double Beds

Run Of House

  • Sleeps 2

2 Double Beds, Premium Oceanfront Room, Non-Smoking

  • Sleeps 4

One-Bedroom King Suite With Ocean View-Non-Smoking

  • Sleeps 4

1 King Bed, Premium Oceanfront Room, Non-Smoking

  • Sleeps 3

2 Double Beds, Ocean View, Non-Smoking

  • Sleeps 4

2 Double Beds, Deluxe Room, Ocean View, Non-Smoking

  • Sleeps 4

2 Double Beds, Oceanfront Room, Non-Smoking

  • Sleeps 4

Deluxe King Room With Ocean View-Non-Smoking

  • Sleeps 4

King Room-Ocean Front-Non-Smoking

  • Sleeps 3

2 Double Beds, Partial Ocean/Pool View, Non-Smoking

  • Sleeps 4

King Room With Ocean View-Non-Smoking

  • Sleeps 3

1 King Bed, Partial Ocean/Pool View, Non-Smoking

  • Sleeps 3

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About this property

THE ISO HOTEL, Trademark Collection by Wyndham

At THE ISO HOTEL, Trademark Collection by Wyndham, relax by an outdoor pool or hit the beach where you can enjoy snorkelling.
THE ISO HOTEL, Trademark Collection by Wyndham offers 78 air-conditioned accommodations with free toiletries and a ceiling fan. Rooms open to balconies. 42-inch flat-screen televisions come with cable channels. Guests can make use of the in-room fridges and coffee/tea makers. Bathrooms include a combined bath/shower unit.
Recreational amenities at the resort include an outdoor pool.

The recreational activities listed below are available either on-site or nearby; fees may apply.

The free breakfast at THE ISO HOTEL, Trademark Collection by Wyndham gets good marks from our customers. During your stay, you're just a quick walk from Waipouli Beach. You'll find features such as an outdoor pool, a restaurant and a bar.
  • Free continental breakfast served daily
  • Enjoy local cuisine and a beachfront location while dining at The Bullshed Restaurant
  • Take a swim in the outdoor pool
  • Amenities include a water dispenser
  • On-site recreation includes yoga classes and bicycles to rent
  • Guests have great things to say about the pool and the clean guestrooms
  • 10 minutes on foot from Waipouli Beach and a 2-minute drive from Coconut Marketplace
There's a restaurant on site. You can enjoy a drink at the bar/lounge. Free breakfast is served daily.

THE ISO HOTEL, Trademark Collection by Wyndham also features an outdoor pool, a garden, and a water dispenser.

This 3.5-star Kapaa resort is smoke free.

Guests are served a free continental breakfast daily from 7:00 AM to 9:30 AM.
The Bullshed Restaurant – This beachfront restaurant specialises in local cuisine and only serves dinner. Guests can enjoy drinks at the bar.

Property amenities

Internet

  • Available in all rooms: High-speed internet

Food and drink

  • Free continental breakfast available daily 7:00 AM to 9:30 AM
  • A bar/lounge
  • A restaurant

Restaurants on site

  • The Bullshed Restaurant

Things to do

  • Bicycle rentals
  • Outdoor pool
  • Snorkelling
  • Yoga classes

Family friendly

  • In-room refrigerator
  • Outdoor pool

Conveniences

  • Limited-hour front desk
  • Water dispenser

Outdoors

  • Garden
  • On the beach

Accessibility

  • No lift

More

  • 3 floors
  • 5 buildings
  • Smoke-free property
  • Water dispenser usage encouraged

Room amenities

Bedroom

  • Bedsheets provided
  • Blackout drapes

Bathroom

  • Free toiletries
  • Private bathroom
  • Shower/bathtub combination
  • Towels provided

Entertainment

  • 42-inch flat-screen TV with cable channels

Food and drink

  • Coffee/tea maker
  • Refrigerator

More

  • Air conditioning
  • Ceiling fan
  • Laptop workspace

Policies

Check-in

Check-in start time: 3:00 PM; check-in end time: 10:00 PM
Minimum check-in age - 18

Check-out

Check-out before 11 AM
Late check-out subject to availability
A late check-out fee will be charged

Special check-in instructions

The front desk is open daily from 7:00 AM - 10:00 PM
Front desk staffed during limited hours
Information provided by the property may be translated using automated translation tools

Access methods

Front desk (limited hours)

Pets

  • No pets allowed

Children and extra beds

  • Children are welcome.
  • Rollaway/extra beds are not available.

Payment types at the property

Important information

Fees

Guests will be asked to pay the following charges at the property:

  • Resort fee: USD 35.61 per accommodation, per night
The resort fee includes:
  • Additional inclusions
  • Fitness/yoga classes
  • Newspaper
  • Parking
  • Self-parking

We've listed all charges provided to us by the property.

Optional extras

The fees and deposits listed below will be charged at the time of service, check-in, or check-out.

  • Late check-out is available for a fee (subject to availability)

This may not be a comprehensive list. Fees and deposits are subject to change and might not include tax.

You need to know

This property is managed by a professional host. The provision of housing is linked to their trade, business or profession.
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
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
Safety features at this property include a smoke detector
This property has outdoor spaces, such as balconies, patios and terraces, which may not be suitable for children; if you have any concerns, we recommend contacting the property prior to your arrival to confirm that they can accommodate you in a suitable room
The front desk at this property is open daily from 7:00 AM - 10:00 PM.
Front desk staff will greet guests on arrival at the property.

We should mention

  • Registered guests are the only ones allowed to be in guestrooms.

Property is also known as

Castle Mokihana
Castle Mokihana Hotel
Castle Mokihana Hotel Kapaa
Castle Mokihana Kapaa
Mokihana Of Kauai Hotel Kapaa
ISO. Island. Sky. Ocean. Resort Kapaa
ISO. Island. Sky. Ocean. Resort
ISO. Island. Sky. Ocean. Kapaa
ISO. Island. Sky. Ocean.
ISO Sky Ocean Resort Kapaa
The ISO by Castle Kapaa
The ISO by Castle Resort
The ISO. Island. Sky. Ocean.
The ISO by Castle Resort Kapaa

THE ISO HOTEL, Trademark Collection by Wyndham Reviews

Reviews

8.4

Very good

Rating 10 - Excellent. 489 out of 1007 reviews
Rating 8 - Good. 313 out of 1007 reviews
Rating 6 - Okay. 131 out of 1007 reviews
Rating 4 - Poor. 42 out of 1007 reviews
Rating 2 - Terrible. 32 out of 1007 reviews

8.8/10

Cleanliness

8.4/10

Staff & service

8.0/10

Amenities

8.2/10

Property conditions & facilities

Reviews

8/10 Good

Dave

Liked: Cleanliness, staff & service, amenities
Great location, reasonable price with nice side perks---bikes water pool yoga etc. Property is clean but very dated.
Stayed 5 nights in Nov 2025

10/10 Excellent

John

Liked: Cleanliness, staff & service, amenities
Clean room. Beach access
Stayed 3 nights in Nov 2025

10/10 Excellent

Bruce

Travelled with family
Liked: Cleanliness, staff & service, property conditions & facilities
This hotel is situated close to restaurants and shopping, and it has great ocean views for less than you would pay at other Kapa'a locations.
Stayed 7 nights in Nov 2025

10/10 Excellent

Hai

Travelled with group
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Really enjoyed our stay! Such a beautiful place.
Stayed 2 nights in Nov 2025

10/10 Excellent

Sheri Jane

Liked: Cleanliness, amenities, property conditions & facilities
Everyone was very nice. room was clean
Stayed 1 night in Nov 2025

6/10 Okay

Krishnaprakash

Travelled with family
The property booking page showed in the booking site is not related the actual site. The picture displayed like an apartment with kitchenette. But none of the rooms have this facility. Pls fix this.
Stayed 3 nights in Nov 2025

2/10 Terrible

Assel

Disliked: Cleanliness
Stayed 2 nights in Nov 2025

10/10 Excellent

Dennis

Travelled with family and small children
Liked: Cleanliness, amenities, property conditions & facilities
Staff very friendly and helpful. Family friendly hotel. We got the beach front room. really beautiful views and clean. if we’re going to be back in Kauai definitely we will stay at this place again. if i can comment i wish they have iron in the room.
Stayed 5 nights in Nov 2025

4/10 Poor

Chris

Travelled with family
Disliked: Cleanliness, staff & service, amenities, property conditions & facilities
The view was great. The room was very old. Patio door barely worked. The restaurant is closed.
Stayed 6 nights in Nov 2025

10/10 Excellent

Joshuah

Travelled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
The hotel was amazing
Stayed 3 nights in Aug 2025

8/10 Good

Edith

Travelled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Everything else is great other than the Wi-Fi connection. Can only login couple of times - even in midnight the connection fails consistently. My guess is the server only allows certain number of devices to login for the whole property. Then in the room both Verizon and T-Mobile cell phone signals are next to none. We literally had a very quiet vacation disappearing from the grid because kids even had a hard time to contact us. Hope management can invest some money to improve the Wi-Fi system.
Stayed 4 nights in Nov 2025

10/10 Excellent

Nicole, Sierra Madre

Stayed 5 nights in Nov 2025

8/10 Good

Nick

Travelled with family
Disliked: Amenities
Location was great, ocean view and chairs were nice. Room is pretty bare bones and the restaurant being closed felt like we were missing out on drinks and meals on site. Chickens will likely wake you up early each day but they were fun to watch running around. Pool was nice to hang out around outside.
Stayed 8 nights in Oct 2025

8/10 Good

Glenys

Stayed 5 nights in Oct 2025

10/10 Excellent

Jason Adam

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
The Balcony was PERFECT! I would definitely return. I would only suggest the Fire Pit stay on maybe till 11pm for us nite owls. And maybe more lighting. The outdoors blue light was nice. But maybe a few more colors for a well rounded minimal lighting experience =)
Stayed 6 nights in Oct 2025

10/10 Excellent

Lia Lizet

Travelled with family
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Hotel is nice but unfortunately too much construction going on at the time of stay and restaurant was closed. I would consider coming back once construction is complete. Overall, liked the location and the stunning view of the ocean.
Stayed 3 nights in Oct 2025

2/10 Terrible

Sissy

Stayed 2 nights in Oct 2025

8/10 Good

devo

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
every room is waterfront. no kitchen or gym.
Stayed 14 nights in Sep 2025

10/10 Excellent

Leesa

Travelled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Such a nice getaway my husband and I had at the ISO. From our room we could look out at the pool and beautiful ocean. Super comfy bed and pillows. Great size room. The staff is super nice and helpful. So friendly too! I will definitely stay there again once I get back to Kauai
Stayed 2 nights in Sep 2025

6/10 Okay

Miss E

Travelled with family
Stayed 5 nights in Sep 2025

10/10 Excellent

Angel

Travelled with family
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Loved the ocean view from my room. The room was clean and staff was super friendly and helpful to all my questions. Most importantly to me was that the walls were thick or insulated enough that i couldn't hear any of the adjacent neighbors through them.
Stayed 3 nights in Sep 2025

10/10 Excellent

Christine

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Stayed 2 nights in Sep 2025

10/10 Excellent

Hallei

Travelled with family
Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
It's a great hotel, near the airport and the main road to go anywhere in Kauai. I will definitely stay there again.
Stayed 4 nights in Sep 2025

10/10 Excellent

Carolyn, Eagle Rock

Liked: Cleanliness, staff & service, property conditions & facilities
Always love coming here. Disappointed that the restaurant was under construction. Beautiful sunrises. Helpful staff.
Stayed 6 nights in Sep 2025

10/10 Excellent

Samantha

Travelled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Loved this place. We enjoyed our room, staff was always nice and friendly. Loved being able to check the bikes out. For the price for the ocean view, you can’t beat it. Would definitely stay here again!
Stayed 6 nights in Sep 2025