Sure, having a Koi pond is rather trendy these days. With their growing popularity it seems that everybody wants a Koi pond. Koi ponds are a type of water garden that house koi fish. They are enclosed ponds with re-circulating fresh water. Many koi ponds incorporate other water features such as fountains or waterfalls which add visual interest to the garden. Koi fish, originating in Japan, have become extremely popular in recent years for keeping in ornamental garden ponds. There are many types of koi ponds that can be added to a garden. Stone ponds are the most popular, particularly because of their elegant beauty and resemblance to natural ponds. Large container koi ponds can be constructed, however these are far more expensive and harder to maintain. Koi pond kits are also available in many garden supply or home supply stores. These kits allow users to construct a koi pond in their backyard without professional assistance in a short period of time.