The Pool at Pu'u O Hoku Ranch
Puu o Hoku Ranch's pool is mentioned by professional reviewers writing for major publications. Of the 4 reviews tracked on TripExpert, 2 mentioned the pool, including Frommer's and Gayot.
Pu'u O Hoku Ranch 
Frommer's
Gayot
Frommer's "Note: Groups (minimum 14 people) can also book the handsome 11-room hunting-style lodge, which comes with a pool, yoga deck, and fireplace, as well as three meals a day featuring the ranch’s organic meat and produce"
Gayot "Usually guests can use the swimming pool at the main lodge, popular for retreats, workshops and seminars"
