This gorgeous giant backyard koi pond built by @pond_koi_turtle_ started with four koi fish and four turtles. Within a few years, 40 turtles and hundreds of giant koi called it home — and all were ...

The typical cost to build a koi pond ranges from $450 to $100,000, with a national average cost of $14,000. The main factors that affect koi pond cost include the pond size and shape, excavation, ...