The ISO

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The ISO

The ISO is a private, oceanfront retreat that welcomes guests home after a day of discovery and adventure on the majestic island of Kauai.

It is a place of rest, relaxation and rejuvenation.

23/07/2026

The ISO offers an oceanfront stay on Kaua'i's east side, close to local shops, dining, and everything you need to explore the Garden Isle.

20/07/2026

The only thing on today’s agenda? Pool. ☀️🌴

17/07/2026

Every stay at The ISO is filled with the little moments that make a getaway unforgettable 🌺

30/06/2026

Palm trees, ocean views, and room to unwind. 🌴

23/06/2026

Tell us you're on Kaua'i without telling us you're on Kaua'i 🐔☀️

15/06/2026

☀️ Endless Summer Escape ☀️

Trade routines for ocean views, golden sunsets, and unforgettable island memories. Whether you’re planning a family getaway, romantic retreat, or spontaneous escape, Castle Resorts & Hotels has the perfect home base for your Hawaiʻi adventure.

Save up to 35% when you book by June 30, 2026, for travel through December 23, 2026.

11/06/2026

A journey along the Nā Pali Coast is one of Kauaʻi’s most unforgettable experiences, and it’s all waiting just beyond your stay at The ISO.

31/05/2026

One of our favorite ways to end the day at The ISO 🌅

26/05/2026

The kind of mornings that help you slow down and reconnect ✨

21/05/2026

The oceanfront pool is a good place to spend a little more time doing nothing at all 😌 ☀️

Address

Telephone

(808) 822-3971

Website

http://www.TheISO.com/

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