These Koi are located in a large pond at the Hilton Kauai Beach Resort along the restaurant outdoor seating.  Most were about 12-16 inches long.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/17813892@N00">Christopher</a> from Salem, OR, USA
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/exalthim/3263699659/">Kauai Koi 2</a>