The push pin shows the location of Bullhead City's new pickleball courts in Rotary Park alongside The Colorado River.
Google Maps doesn't' show the courts, of course, since they are brand new. A November 19, 2017, news article said the courts are in the northeast corner of Rotary Park near the intersection of Lakeside and Riverview Drives. That would put them in the vicinity of the red box we added to this map clip.
Here is the full news article on the new Bullhead courts:
http://www.mohavedailynews.com/news/holding-court-city-opens-pickleball-facility-at-rotary-park/article_82a7e8a0-ccf5-11e7-97ec-df8ad67923f9.html