The ISO by Castle
+72 photosAbout this hotel
Discover your tropical escape at The ISO by Castle, where paradise meets comfort in the heart of Kapaa.
Recreational Amenities
Unwind under the sun at our sparkling outdoor pool or explore the stunning coastline with our bicycle rentals, perfect for both relaxation and adventure.
Culinary Delights
Savor the flavors of the region at The Bullshed Restaurant, a beachfront eatery that offers a delightful bar/lounge experience and serves up local cuisine to tantalize your taste buds.
Comfort and Convenience
Retreat to one of our 78 air-conditioned rooms, each equipped with modern amenities including flat-screen TVs, refrigerators, and private balconies for stunning views, ensuring a restful stay.
Experience the beauty of Waipouli and make your getaway unforgettable. Book your stay at The ISO by Castle today!
What guests say
Fabulous 8.4/10 · summarised by AI from 152 reviews- ⚠️ Cleanliness issues
- ⚠️ Limited dining options
- ⚠️ Room quality concerns
Policies & good to know
Children & extra beds
- Children and extra beds: No rollaway/extra beds available
Pets
- Pets: Pets not allowed
Health, safety & sustainability
- Guest type: Essential workers only - NO
- General: Professional property host/manager
Other
- Accessibility: No elevators
Amenities (8)
Pool & wellness
- ✓Swimming pool
Fitness & activities
- ✓Golfing nearby
- ✓Snorkeling on site
Beach & outdoors
- ✓Garden
Services
- ✓Front desk (limited hours)
Accessibility
- ✓Wheelchair accessible
Safety & security
- ✓Smoke-free property
More
- ✓Water dispenser
Location
4-796 Kuhio Hwy, Kapaa, Hawaii, 96746