Onsen Hot Pools owners Tony and Mitsi Williams and their sons Miki and Ansel relax in the pool.
Visitors to Queenstown have rated Onsen Hot Pools first among the area's attractions for a year.
Owners Tony and Mitsi Williams said being the number one attraction based on visitor feedback was fabulous.
The company has launched a new locals' membership scheme with a 40% discount for Queenstown residents.
The complex at Arthurs Point, near Queenstown, has had nearly 30,000 customers since opening in August 2007.
