Fresh and Saltwater Aquariums

Serving the tri-state area

JK-Fish is the premier source for custom high-end fresh and saltwater aquariums in the tri-state area. We are a team of experienced aquarium care experts developing the most unique aquariums on the east coast.
Awe Inspiring Beauty

Commercial and Residential

JK Fish brings the awe inspiring beauty of the ocean directly to your home or office. Add style and flair to any space, commercial or residential.
Bringing the best Japanese Koi to your aquarium

Japanese Koi (Nishikigoi) at JKFish

Nishiki means beautiful or elegant things. Nishikigoi are "living jewels." The term has been used for over 200 years in Niigata, Japan. Koi are symbols of love and friendship in Japanese culture. They have become widely cherished, precious pets that truly are peaceful "Gifts from God".

Our Services

Our Process

  1. Project Consultation

  2. Detail Inspection

  3. Custom Aquarium Build Start

  4. Aquarium Installation (our favorite step)!

  5. Enjoy Your Custom Aquarium


Specialists In Custom Fish Tanks, Luxury Aquarium Design, Installation And Maintenance.

We do what we do because we love it and we want you to love it too. With JK Fish you won’t just get a fish tank, you will get a one-of-a-kind unique piece of art. Showcase and enjoy the beauty of the ocean in your office, home, school, or business. The applications are limitless and truly transform your environment.
Saltwater Aquarium or Freshwater Aquarium

Clients About Us

They have turned our tank into a central conversation piece
My husband and I found Joe and Kieran when we decided to set up a 180 gallon saltwater fish tank in our home. They did all of the start-up, stocked the tank with beautiful fish and corals, and now continue to do all of our tank maintenance. They have turned our tank into a central conversation piece of anybody who enters our home…

Michelle Marion | Cedar Knolls, NJ

Michelle Marion | Cedar Knolls, NJ

Our Team


Founded in 2007, we are a team of dedicated aquarium care experts who have a fascination for exotic fish and their ecosystems.

Maintenance & Installation Experts

Our team of trained professionals provide the care and maintenance necessary to keep your system healthy and looking its best.

Custom Aquarium Experts

At JK-Fish, our passion is designing, installing, and maintaining unique and luxurious aquariums.

Why us?

Aquarium Care Experts

We understand preservation, grow our coral and source them from healthy sustainable areas.


Fully Licensed and Insured

When your shark decides to take a bite out of us, we are covered so you don’t have to worry.


Over 15 Years in Business

We have built a large ecosystem of happy fish and corals throughout New Jersey.


Top Rated Aquariums

See what customers say about us, we will go above and beyond to deliver your custom aquarium.

Custom Designed Luxury Aquarium

Latest Posts

18 Inch Long Sea Cucumber
18 Inch Long Sea Cucumber

The sea cucumber, measuring 18 inches in length, possesses an elongated body and smooth, cylindrical shape, rendering it a captivating inhabitant of the ocean depths. Discovered in various marine habitats globally, these echinoderms fulfill crucial roles in marine ecosystems, scavenging organic matter from the seafloor and aiding in nutrient recycling. Despite their unassuming appearance, sea cucumbers showcase exceptional adaptability and…

Enter the JKFish World Contest!
Enter the JKFish World Contest!

Do You Have the Best, Saltwater Tank in NJ? Email a photo of your tank to before May 1st, 2024. Awards: 1st. Place winner will receive a  $750 piece of Show Quality Hollywood Stunner Chalice 2nd. Place  winner will receive their choice of a $400 piece of show quality Jack O’lantern 3rd. Place winner will receive a $200 coral gift certificate…

A Firefish Goby Adds a Pop of Color to Any Tank!
A Firefish Goby Adds a Pop of Color to Any Tank!

The firefish goby, scientifically known as Nemateleotris magnifica, is a captivating and popular marine fish admired for its vibrant colors and graceful movements. Native to the Indo-Pacific region, these slender-bodied fish are often found darting among coral reefs, adding a splash of brilliance to their surroundings. Their striking appearance is marked by a fiery red, orange, and white body, which…


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