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MK 320 Gallon Clear Sides Above Ground Fish Pond, Koi & Aquaculture Tank, Large Aquarium (78.7 x 39.4 x 23.6 in)

MK 320 Gallon Clear Sides Above Ground Fish Pond, Koi & Aquaculture Tank, Large Aquarium (78.7 x 39.4 x 23.6 in)

Canvas Type
Fully Transparent Black with Transparent Side Blue with Transparent Side
Size
75 Gallons 160 Gallons 320 Gallons
$499.95 USD
$1,074.00 USD $499.95 USD
Sale Sold out
Shipping calculated at checkout.
⭐10,000+ customers 🚚48h dispatch 🛡️Money-back 🌿Carbon neutral

Low stock — Order now before we sell out

🛡️

100% leak-proof, backed by our 1-year warranty

🐟

MK Aquarium proprietary 3-layer PVC mesh panel

✅

Original MK system, designed for 5+ years of pond use

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Duty, taxes, and delivery to your door are included in the listed price

Customer Reviews

★★★★★

"The 320 gallon black one clear panel has been much easier to manage than we expected for our koi setup. The clear side makes it more enjoyable every day, and the customer support was excellent whenever we had questions."

MR
★★★★★

"The 75 gallon all-clear tank quickly became one of the most useful parts of our fish setup for quarantine and observation. It feels clean, simple, and very beginner-friendly."

ST
★★★★★

"Our 160 gallon black one clear panel gave us a really practical way to set things up without building anything permanent. It feels sturdy, easy to live with, and the support team was very helpful throughout."

DK
★★★★★

"For a mixed backyard fish setup, the 500 gallon black one clear panel was a big step up from smaller tubs and containers. The viewing side makes a huge difference, and the whole setup feels much more polished."

JL
★★★★★

"The 75 gallon black one clear panel has worked very well for temporary holding and small grow-out use. Easy to assemble, easy to clean, and the customer service was responsive and reassuring."

AM

Assembly Video

Parts Overview

MK Aquarium tank assembly parts and instruction guide

Assembly PDF

Find the Perfect Size for Your Needs

Choose the right size for your Koi show or aquaculture project. Our size chart helps you select the best fit.

  • Custom Sizes: Get a tank that perfectly fits your space and requirements.
  • Special Features: Add functionalities to meet specific use cases like breeding, aquaponics, or large-scale aquaculture.
  • Bulk Orders: Enjoy competitive pricing for wholesale or bulk purchases.

Contact us today at: support@mkaquariumstore.com to discuss your custom requirements and get a personalized quote.

Is this size range too small for serious fish keeping?
No. The 75 to 320 gallon range is designed for practical hobby use, quarantine, grow-out, temporary holding, and smaller home or backyard setups. It is ideal for customers who want something manageable, useful, and easy to enjoy day to day.

Is the pond frame still strong and stable in smaller sizes?
Yes. This range uses the same strong stainless steel rust-proof frame concept, designed to keep the pond supported, structured, and stable for regular day-to-day use.

Is this range suitable if I want clear fish viewing without building a full pond?
Yes. This range is a strong fit for customers who want a simpler fish-keeping setup with enjoyable fish visibility, easier setup, and less commitment than building a permanent pond structure.

Size: For exact dimensions, please refer to the size chart above. Our 75 to 320 gallon range is best suited for hobby fish keepers, home pond setups, quarantine use, grow-out, and smaller backyard fish-keeping projects.

Care: Made to last 5+ years with proper care and backed by a 1-year manufacturing warranty. Rinse before first use, place on a flat and level surface, clean the clear panel with a soft cloth only, avoid sharp décor or abrasive tools, and check the frame and fittings before filling.

We offer reliable tracked shipping delivered to your door in 200+ countries.

Processing time: Up to 2 business days (may be longer during peak periods).

Estimated delivery times after dispatch:

  • USA (warehouse stock): 2–9 business days
  • USA (standard orders): 2–4 weeks
  • US & Canada: 2–4 weeks
  • Europe: 2–4 weeks
  • Australia & New Zealand: 2–4 weeks
  • Hong Kong & Singapore: 2–4 weeks
  • Rest of the world: 3–4 weeks

We ship from fulfillment centers in the United States, Eastern Asia, and Western Europe. If an item is out of stock in your nearest location, we’ll ship it from another location or production within the same delivery ranges above.

Built for easy home fish keeping without the hassle of a permanent pond.
For exact dimensions, please refer to the size chart above. Our 75 to 320 gallon range is ideal for hobbyists, quarantine use, grow-out, and smaller backyard setups that need clear fish viewing, dependable structure, and simpler day-to-day management.

A practical size range for customers who want convenience, visibility, and less setup stress.
 ✔ Great for hobby use, quarantine, and temporary holding
 ✔ Easy to manage in home and backyard spaces
 ✔ Clear viewing makes fish keeping more enjoyable
 ✔ A simpler alternative to building a permanent pond

MK Aquarium® Proprietary Clear Panel

Enjoy a crystal-clear viewing experience built into a strong pond wall panel system. It gives your fish a unique magnification effect, creating a more immersive, aquarium-like view while keeping the setup practical, durable, and crystal clear.

100% Leak-Proof

Built with triple-layer PVC mesh, premium stitching, and a structure designed for long-term use. Easy to patch if ever needed, with a repair kit included and backed by our 1-year warranty.


Original MK® System

Our 10+ year proven MK design built around quality and experience. Featuring a strong stainless steel frame, durable canvas. These ponds are also made from the same professional canvas used in RAS and raceway systems, giving you a setup designed for reliable indoor or outdoor use and built to last 5+ years with proper care.

Custom Sizing for Projects & Stock Orders

Our experience with contracting aquaculture and RAS projects globally; allows our team to be well equipped to discuss custom dimensions and broader order needs. Customers can refer to the Projects page or contact projects@mkaquariumstore.com.


Flexible Use Cases

Suitable for koi, goldfish, quarantine, breeding, grow-out, aquaponics, crab holding, backyard ponds, and fish room setups, making it a practical choice for both hobby and utility use.


Strong enough for the outdoors. Beautiful enough for your space.

  • Built for cold, freezing weather: Especially suited for northern states and low-temperature outdoor conditions.
  • Freeze tested: Our tanks have been tested in natural freezing conditions where ice formed up to approximately 20 cm (8 inches) thick, without cracking, leakage, or structural damage.
  • Strong, Stable Support: A reinforced frame and durable pond structure built to stay firm, supported, and reliable.
  • Aquascaping friendly: Suitable for use with rocks, sand, gravel, and other aquascaping materials.
View full details

Which tank style is right for you?

Both styles are excellent. The right choice depends on your viewing preference and the kind of setup you want.

One Clear Panel Tank

One Clear Panel Tank

 All-Clear Tank

All-Clear Tank
Viewing Front-facing clear view panel 360° viewing panels
Stainless steel rust-proof frame ✓ ✓
Triple-layer canvas with 1-year warranty ✓ ✓
Depth up to 0.7 meters ✓ ✓
Aquascaping ✓ ✓
Middle leg ✓ ✓
Custom sizing Reach out to our team Reach out to our team

Top Questions, Answered

Clear answers to the questions customers ask most before choosing their above ground pond.

What materials is the above ground pond made from?
Our above ground ponds are built with a proprietary triple-layer PVC mesh canvas, a stainless steel rust-proof frame, and reinforced fittings designed for long-term indoor or outdoor use.
What is the clear viewing panel made from?
The viewing section uses a reinforced transparent panel designed to give clear fish visibility while still keeping the pond wall strong and practical for daily use.
Is the above ground pond safe for koi, goldfish, shrimp, and other aquatic animals?
Yes. It is commonly used for koi, goldfish, shrimp, breeder setups, grow-out, quarantine, and many aquaculture applications. For turtles or very sharp, spiky, or aggressive species, setup choice should be considered more carefully.
Does the clear panel scratch or get damaged easily?
With normal use and proper care, it holds up well. Clean the panel with a soft cloth only and avoid abrasive pads, sharp décor, and rough tools.
Can I use this above ground pond indoors and outdoors?
Yes. It works well for backyards, patios, fish rooms, utility setups, breeder systems, and other indoor or outdoor projects, as long as it is placed on a flat, level, fully supported surface.
Will this above ground pond work in winter or cold weather?
Yes. Our ponds are built for cold, freezing weather and have been freeze tested in real outdoor conditions. Winter performance still depends on your setup, fish type, and water management.
How long does setup take, and what surface should it sit on?
Setup is straightforward and much easier than building a permanent pond. Time depends on pond size and how many people are helping, but it should always be installed on a flat, level, fully supported base before filling.
Can I use this above ground pond for breeding, quarantine, grow-out, or aquaponics?
Yes. These are some of the most common uses. The one clear panel version is especially practical for everyday utility use, while the all-clear version is better when open fish visibility matters more.
How long will the above ground pond last, and what warranty do I get?
With proper care, our ponds are built to last 5+ years and are backed by a 1-year manufacturing warranty for added peace of mind.

Still have a question?

Send us your question and we’ll help you choose the right setup.