Welcome to Underwater Environments San Diego counties largest dealer in Fine Imported Japanese Koi and Aquatic Plants.We are San Diego's leaders in the pond industry, specializing in Japanese Koi, Koi Pond Filtration Systems and Water Gardens..

Thank you for taking the time to visit our website.We hope that it's pages will provide you with the information and products you need to make your pond expierence as enjoyable and relaxing as possible.

Our experienced staff are here at our retail location in Encinitas 7 days a week to answer any of your questions and provide you with excellent customer service when ever needed.

We have built up our long standing reputation thru excellent customer service and our years of experience in the Pond Industry in San Diego County.

Our Koi selection ranges from our 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 and Aquatic Plants.

Please explore our website to find the information you need to create the ideal Koi pond Environments for your Koi companions. Be sure to check out our Pond Filters and Pond Pumps pages to find the best equiptment to keep your pond crystal clear and hassle free. Or give us a call or come on in our store is open 7days a week for your convience.

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 .

Let our highly trained professional pond maintenance team 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 OPEN 7 DAYS A WEEK


Great news Scott is back from Japan and the new Koi will arrive soon. We expect them to arrive around the first week of Novemember.It is a very exciting time for us and we hope to see you here.