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- FREE Worldwide Reservations: +1(808) 545-3510
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The ISO by Castle
Amenities at Kauaʻi's Newest Boutique Hotel
Kapaʻa, Hotel
The ISO by Castle
The ISO. Where Island, Sky and Ocean meet on Kauaʻi's Royal Coconut Coast
New lifestyle touches create an attitude and vibe that place The ISO in a distinctive niche of its own. Jumpstart the day with oceanfront yoga at sunrise. Refuel with a complimentary breakfast of island fruits and granola served in the nook off the front lobby. Then grab a bicycle to cruise the coast along the Ka Ala Hele Makalae Beach Path. The ISO encourages you to simply go with the day’s natural energy flow.
- Total Suites: 80
- Number of Floors: 3
- Number of Elevators: 0
Property Amenities
New lifestyle touches create an attitude and vibe that place The ISO in a distinctive niche of its own. Jumpstart the day with oceanfront yoga at sunrise. Refuel with a complimentary breakfast of island fruits and granola served in the nook off the front lobby. Then grab a bicycle to cruise the coast along the Ka Ala Hele Makalae Beach Path. The ISO (formerly Castle Mokihana) encourages you to simply go with the day’s natural energy flow.
24-hour front desk 
Bar/Lounge 
Ocean Front 
Continental Breakfast 
Parking
Picnic area 
Pool - Oceanfront Pool 
Restaurants 
Security 
Wi-Fi (Lobby & Rooms)
In-Room Amenities
Recently refreshed with chic island décor and subtle tropical tones, The ISO’s contemporary hotel rooms and one-bedroom suites are geared to friends and couples who appreciate style, comfort and convenience. All accommodations are non-smoking and feature a private ocean view lanai for unwinding with east Kauai’s gorgeous scenery.
- Wi-Fi
Flat Screen TV 
Private Balcony / Lanai
- Hawaiian Coffee & Coffee Maker
Mini-Refrigerator 
Ceiling Fan
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