The Garden Pond was a decoration on FarmVille.
It was released as part of the Japanese Event. During the event, it could be bought from the market for 50,000 coins.
It was re-released on June 24th, 2011, as part of the FarmVille Birthday Classics event. It was available for 1 day as part of the Japanese Garden theme, on the 9th and last day.
During Farmer Appreciation, it could be purchased for 100,000 coins