10 Best large outdoor pond liners of 2025

Save up to 31% off

Best Choice

1

yeezoo

yeezoo 40X50FT Reinforced Large PE Pond Liner, KOI Pond Liners for Outdoor Ponds, Enhanced 5-Layer Structure Pond Liner for Fish, Duck, Garden Raised Bed and Waterscape Pond(0.82oz/sq ft Thickness)
9.8

Exceptional

Our Rating
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Value for Money

2

Coocure

Coocure 15X20FT Reinforced PE Pond Liner, 28Mil Thickness Pond Liners for Outdoor Ponds, Hemmed Edge with Buttonholes Liners for KOI/Fish, Duck Pond and Waterscape.
9.7

Exceptional

Our Rating

8.0
Simple to use

8.0
worth the money

8.0
lasts a long time
3

UWIOFF
UWIOFF 10 x 13 FT Pond Liner, 20 Mil Pond Liners for Outdoor Ponds, Black Fish Pond HDPE Liner for Koi Ponds, Streams Fountains and Garden Waterfall
Main highlights

Key Features
Durable 20 mil LDPE, UV and puncture-resistant, easy installation, safe for fish and plants, flexible for creative designs.

Ideal Use Cases
Perfect for medium ponds up to 500 gallons, backyard waterfalls, koi ponds, garden beds, and other water feature projects.

Customer Praise
Highly lauded for its ease of installation and exceptional durability, providing long-lasting use in various pond settings.
9.6

Exceptional

Our Rating

8.0
worth the money

8.0
lasts a long time

8.0
Easy installation
4

Froidesente
7 x 10 FT Pond Liner, 20 Mil Pond Liners for Outdoor Ponds, HDPE Pond Liner Easy Cutting Puncture Resistant, Pond Liners for Water Garden Fountain Waterfall, Koi Fish Aquaculture Pond
Main highlights

Durable HDPE Material
The 7x10 FT pond liner is made of premium HDPE, offering durability, puncture resistance, and UV protection for long-lasting performance.

Versatile Use Cases
Ideal for garden waterfalls, fish ponds, and aquaculture, this liner adapts to various aquatic environments and construction needs.

Ease of Installation Praised
Customers appreciate the liner's easy cutting and installation process, allowing for customized pond shapes and sizes.
Key specs
- Thickness:20 mil 0.5 mm
- Size:7x10 FT
- Durability:Highly durable
- Material:HDPE
- Application:Garden waterfalls, ponds
9.5

Excellent

Our Rating
5

Adroiteet
Adroiteet 10 x 15 FT Pond Liner, 20 Mil Fish Pond HDPE Liner, Pond Liners for Outdoor Ponds, Koi Ponds, Garden Fountain, Waterfall

13% Off
Main highlights

Key Features
HDPE pond liner is heavy-duty, puncture-resistant, and leak-proof, ensuring long-lasting durability and ease of cleaning for any pond.

Ideal Use Cases
Perfect for koi ponds, garden fountains, and waterfalls, this liner excels in outdoor applications, providing a healthy environment for aquatic life.

Customer Praise
Most reviews highlight its durability and effectiveness in preventing leaks, making it a reliable choice for creating sustainable backyard oases.
Key specs
- Thickness:20mil
- Size:Variety of sizes
- Durability:Long-lasting, sun-proof
- Material:HDPE
- Application:Koi ponds, fountains
9.4

Excellent

Our Rating

9.1
Simple to use

8.9
lasts a long time

8.0
worth the money
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6

ToLanbbt
ToLanbbt Pond Liner 7 x 10 Ft, 20 Mil HDPE UV Resistant Preformed Pond Liner Easy Cutting, Underlayment for Fountain, Waterfall, Koi Pondsand Water Garden (Black)
Main highlights

UV and Puncture Resistant
Safety Material Koi Pond Liner is made of HDPE, 20 mil thickness, UV and puncture resistant, contains no plasticizers, suitable for long-term outdoor use.

Versatile Pond Applications
Ideal for fish ponds, fountains, waterfalls, and water gardens. Easily adapts to various pond sizes, shapes, and contours, including narrow corners and shelves.

Thick and Durable Material
Customers frequently praise the liner's thickness and durability, noting its effectiveness in holding water and ease of use after warming in the sun.
Key specs
- Thickness:20 mil
- Size:82.68 x 39.37 x 118.11 inches
- Durability:UV and puncture resistant
- Material:HDPE
- Application:Fish ponds, fountains, waterfalls, water gardens
9.2

Excellent

Our Rating

9.3
Easy installation

9.1
Easy to use

8.2
worth the money
7

VIVOSUN
VIVOSUN 13.5 x 20 Feet Pond Liner, 14.5 Mil Durable LLDPE Pond Liners for Koi Ponds, Aquaculture and Water Gardens, Black
Main highlights

Key Features and Benefits
Durable LLDPE material, 14.5 Mil thickness, flexible design, withstands extreme weather, ideal for long-term outdoor ponds.

Ideal Use Cases
Perfect for small ponds up to 800 gallons, suitable for water features, fountains, and aquaculture farms with easy, tool-free installation.

Customer Reviews Highlight
Praised for its durability, ability to retain water effectively, and ease of installation, making it a reliable choice for pond enthusiasts.
Key specs
- Thickness:14.5 Mil
- Size:13.5 x 20 FT
- Durability:High tensile strength
- Material:LLDPE
- Application:Ponds, water features
9.1

Excellent

Our Rating

8.0
Easy installation

8.0
worth the money

8.0
lasts a long time
8

VIVOSUN

VIVOSUN 20 x 25 Feet Pond Liner, 14.5 Mil Durable LLDPE Pond Liners for Koi Ponds, Aquaculture and Water Gardens, Black
8.9

Very Good

Our Rating

8.0
Easy installation

8.0
worth the money

8.0
lasts a long time
9

LifeGuard Pond Liner
Lifeguard 8 ft. x 10 ft. EPDM Pond Liner – 45-Mil Rubber Liner for Outdoor Ponds, Waterfalls, Aquaponics, Retention Basins – Durable & Fish Safe

31% Off
Main highlights

Durable and Long-Lasting
45-Mil EPDM Rubber Pond liner with 25-Year Warranty. Durable, puncture resistant, versatile for water features, ponds, and more. Does not contain plasticizers.

Ideal for Water Features
Perfect for waterfalls, pond kits, water gardens, retention basins, koi ponds, aquaponics, lakes, stream liners, and fish hatcheries. Easy to install and shape.

Excellent Customer Service
Customers praise its durability, ease of installation, and the company's prompt and professional customer service. Many found it versatile for various custom projects.
Key specs
- Thickness:45-Mil
- Size:8 ft. x 10 ft.
- Durability:25-Year Warranty
- Material:Rubber
- Application:Water gardens, koi ponds
8.7

Very Good

Our Rating

9.3
lasts a long time

9.3
Simple to use

9.1
worth the money
10

Sprthrd

Sprthrd Pond Liner 7x10 Feet, 20 Mil HDPE Pond Liner UV Resistant Easy Cutting, Pond Liner for Natural Looking Ponds, Waterfall, Koi Ponds and Water Garden

10% Off
8.6

Very Good

Our Rating

10 Best large outdoor pond liners of 2025

1

yeezoo 40X50FT Reinforced Large PE Pond Liner, KOI Pond Liners for Outdoor Ponds, Enhanced 5-Layer Structure Pond Liner for Fish, Duck, Garden Raised Bed and Waterscape Pond(0.82oz/sq ft Thickness)

How do we rank?

How do we rank?

Analyzing top stores

2

Coocure 15X20FT Reinforced PE Pond Liner, 28Mil Thickness Pond Liners for Outdoor Ponds, Hemmed Edge with Buttonholes Liners for KOI/Fish, Duck Pond and Waterscape.

8.0

8.0

8.0

3

UWIOFF 10 x 13 FT Pond Liner, 20 Mil Pond Liners for Outdoor Ponds, Black Fish Pond HDPE Liner for Koi Ponds, Streams Fountains and Garden Waterfall

8.0

8.0

8.0

4

7 x 10 FT Pond Liner, 20 Mil Pond Liners for Outdoor Ponds, HDPE Pond Liner Easy Cutting Puncture Resistant, Pond Liners for Water Garden Fountain Waterfall, Koi Fish Aquaculture Pond

5

Adroiteet 10 x 15 FT Pond Liner, 20 Mil Fish Pond HDPE Liner, Pond Liners for Outdoor Ponds, Koi Ponds, Garden Fountain, Waterfall

9.1

8.9

8.0

6

ToLanbbt Pond Liner 7 x 10 Ft, 20 Mil HDPE UV Resistant Preformed Pond Liner Easy Cutting, Underlayment for Fountain, Waterfall, Koi Pondsand Water Garden (Black)

9.3

9.1

8.2

7

VIVOSUN 13.5 x 20 Feet Pond Liner, 14.5 Mil Durable LLDPE Pond Liners for Koi Ponds, Aquaculture and Water Gardens, Black

8.0

8.0

8.0

8

VIVOSUN 20 x 25 Feet Pond Liner, 14.5 Mil Durable LLDPE Pond Liners for Koi Ponds, Aquaculture and Water Gardens, Black

8.0

8.0

8.0

9

Lifeguard 8 ft. x 10 ft. EPDM Pond Liner – 45-Mil Rubber Liner for Outdoor Ponds, Waterfalls, Aquaponics, Retention Basins – Durable & Fish Safe

9.3

9.3

9.1

10

Sprthrd Pond Liner 7x10 Feet, 20 Mil HDPE Pond Liner UV Resistant Easy Cutting, Pond Liner for Natural Looking Ponds, Waterfall, Koi Ponds and Water Garden

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