Welcome to Underwater Environments San Diego counties largest dealer in Fine Imported Japanese Koi and Aquatic Plants.

We have moved to our new location at 155 Quail Gardens Dr. Encinitas Ca 92024

We are up and running and in full operation. Come on in and see us now .


When you step through the doors of our beautiful retail location or browse through the pages of our website we want you to realize what you can achieve if you follow our expert advice.

Our Koi selection ranges from exquisite Japanese Koi, hand selected each year from the Koi farms of Japan, to the imported Malayasian with their beautiful variety of Longfin Koi .We also have a wide variety of Domestic Koi all very healthy and colorful.

Underwater Environments.......We are the experts on Koi fish, Koi ponds, Koi pond filters and Koi pond pumps!

Though Koi and Goldfish are extremely hearty and relatively easy to care for, it is very important to keep a watch on their environment in the Koi Pond to keep them at their healthiest.Our experts are here to help with any problems or questions you may have.

Please explore our website to find the information you need to create ideal Koi pond Environments for your Koi companions. Be sure to check out our Pond Filters and Pond Pumps pages for the best tips on keeping your Koi fish pond beautiful and algae free.

The shelves of our shop are stocked full of all the products that we know work. From bacteria to alge control we have it all. Pond Pumps small and large filtration systems come on in and check it out .

We are open 7 days a week !!

It is hard to believe it is time for Scott to go to Japan for the 2015 Fall Harvest. We hope his trip will be one of the best yet. Give us a call and put in your order for that special fish for Scott to pick up for your ponds.

Dont suffer from pond envy this year. Let our highly trained pond professionals keep your alge blooms to a minimum and your water crystal clear or have our design team come in and make your pond look stunning with personalized care and enhance your ponds beauty from the wide selection of pond plants we have to choose from when in season.

Store hours....Mon-Sat 9:00am to 5:00pm.....Sunday 10:00am to 4:00pm