Welcome to Causewaykoi.com - selling quality Japanese Koi and pond products to the UK and Ireland.

Gift Vouchers are now available online.
Click here to purchase with free UK & Ireland delivery on all vouchers.

Once again we had a successful buying trip in Japan in February. Our second shipment is also through quarantine and are now on sale. Tosai are also available at various sizes and prices starting at £25 for 5". Email us for more details.

We are located on the main road between Portrush and Coleraine, Northern Ireland and are open to provide all your pond equipment and accessories.

All our koi come directly from Japan and are fully legal and documented. We can deliver koi on a 24hr service (Ireland only). Dry goods are usually delivered next day, UK and Ireland.

We carry a full stock of food and supplies throughout the year.

Shop Opening hours in April - June.
Mon - Fri: 1.30pm to 5.30pm. Saturday: 9.30am to 5pm.
Also you can call us on 028 70825213 or 07770 802636.

All our koi come from the Niigata prefecture of Japan. We make regular buying trips there and have built great links with the breeders, ensuring you get the best fish at the keenest prices. The pictures below show the difference in Yamakoshi between October and March. More photos and video on the NEWS pages.

The beautiful scenery in the mountains where the koi grow on throughout the summer.