10 Best Saltwater Aquariums 2025: According to Reviews | Chewy

The 10 Best Saltwater Aquariums

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How we created this saltwater aquarium list

We leveraged input from our veterinarians and artificial intelligence to identify key considerations to help you find the best saltwater aquarium.
We scanned thousands of customer reviews and ratings and scored each product based on its performance against each of the key considerations. We then considered how popular a product is with Chewy customers and combined that with its key consideration scores to create the list of the best saltwater aquariums.

Key saltwater aquarium considerations

Compatibility

Durability

Ease of Use

Effectiveness

1
Lifegard Long Clear Glass Bookshelf Aquarium, 5-mm, 11-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 5-mm, 11-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 5-mm, 11-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 5-mm, 11-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 5-mm, 11-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 5-mm, 11-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 5-mm, 11-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 5-mm, 11-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 5-mm, 11-gal

Lifegard Long Clear Glass Bookshelf Aquarium, 5-mm, 11-gal

Rated 4.7 out of 5 stars
36
$91.00Chewy Price
($8.28/gl)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Compatibility

4.7/5
Excellent

Durability

4.8/5
Excellent

Ease of Use

4.7/5
Excellent

Effectiveness

4.7/5
Excellent

Is this saltwater aquarium right for my pet?

Material

Glass, Silicone

Aquarium Type

Nano Tank, Freshwater

Capacity (Max)

11-gal

Fish Type

Marine Fish, Tropical Freshwater
2
Aqueon LED Fish Aquarium Starter Kit, 10-gal
Aqueon LED Fish Aquarium Starter Kit, 10-gal
Aqueon LED Fish Aquarium Starter Kit, 10-gal
Aqueon LED Fish Aquarium Starter Kit, 10-gal
Aqueon LED Fish Aquarium Starter Kit, 10-gal
Aqueon LED Fish Aquarium Starter Kit, 10-gal
Aqueon LED Fish Aquarium Starter Kit, 10-gal
Aqueon LED Fish Aquarium Starter Kit, 10-gal
Aqueon LED Fish Aquarium Starter Kit, 10-gal

Aqueon LED Fish Aquarium Starter Kit, 10-gal

Rated 4.3 out of 5 stars
133
$93.86Chewy Price
($9.39/gl)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Compatibility

4.0/5
Great

Durability

4.1/5
Great

Ease of Use

4.3/5
Great

Effectiveness

4.3/5
Great

Is this saltwater aquarium right for my pet?

Material

Glass

Aquarium Type

Nano Tank, Freshwater, Saltwater

Capacity (Max)

10-gal

Fish Type

Marine Fish, Tropical Freshwater
3
Coralife LED BioCube Aquarium Kit, 32-gal
Coralife LED BioCube Aquarium Kit, 32-gal
Coralife LED BioCube Aquarium Kit, 32-gal
Coralife LED BioCube Aquarium Kit, 32-gal
Coralife LED BioCube Aquarium Kit, 32-gal
Coralife LED BioCube Aquarium Kit, 32-gal
Coralife LED BioCube Aquarium Kit, 32-gal
Coralife LED BioCube Aquarium Kit, 32-gal
Coralife LED BioCube Aquarium Kit, 32-gal

Coralife LED BioCube Aquarium Kit, 32-gal

Rated 4.2 out of 5 stars
26
$429.99Chewy Price
($13.44/gl)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Compatibility

4.5/5
Great

Durability

4.5/5
Great

Ease of Use

4.5/5
Great

Effectiveness

4.6/5
Excellent

Is this saltwater aquarium right for my pet?

Material

Glass

Aquarium Type

Nano Tank, Saltwater, Freshwater

Capacity (Max)

32-gal

Fish Type

Tropical Freshwater, Marine Fish
4
Lifegard Long Clear Glass Bookshelf Aquarium, 8-mm, 22-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 8-mm, 22-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 8-mm, 22-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 8-mm, 22-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 8-mm, 22-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 8-mm, 22-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 8-mm, 22-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 8-mm, 22-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 8-mm, 22-gal

Lifegard Long Clear Glass Bookshelf Aquarium, 8-mm, 22-gal

Rated 4.5 out of 5 stars
15
$193.44Chewy Price
($8.80/gl)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Compatibility

4.8/5
Excellent

Durability

4.8/5
Excellent

Ease of Use

4.7/5
Excellent

Effectiveness

4.8/5
Excellent

Is this saltwater aquarium right for my pet?

Material

Glass, Silicone

Aquarium Type

Freshwater

Capacity (Max)

22-gal

Fish Type

Marine Fish, Tropical Freshwater
5
Tetra Glass Aquarium, 20-gal
Tetra Glass Aquarium, 20-gal
Tetra Glass Aquarium, 20-gal
Tetra Glass Aquarium, 20-gal
Tetra Glass Aquarium, 20-gal

Tetra Glass Aquarium, 20-gal

Rated 4.6 out of 5 stars
10
$92.56Chewy Price
($4.63/gl)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Compatibility

4.8/5
Excellent

Durability

4.7/5
Excellent

Ease of Use

4.7/5
Excellent

Effectiveness

4.7/5
Excellent

Is this saltwater aquarium right for my pet?

Material

Glass

Capacity (Max)

20-gal

Fish Type

Betta, Bottom Feeder, Cichlid, Discus...
6
Lifegard Long Clear Glass Bookshelf Aquarium, 6-mm, 20-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 6-mm, 20-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 6-mm, 20-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 6-mm, 20-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 6-mm, 20-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 6-mm, 20-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 6-mm, 20-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 6-mm, 20-gal
Lifegard Long Clear Glass Bookshelf Aquarium, 6-mm, 20-gal

Lifegard Long Clear Glass Bookshelf Aquarium, 6-mm, 20-gal

Rated 4.4 out of 5 stars
10
$140.75Chewy Price
($7.04/gl)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Compatibility

4.8/5
Excellent

Durability

4.8/5
Excellent

Ease of Use

4.8/5
Excellent

Effectiveness

4.8/5
Excellent

Is this saltwater aquarium right for my pet?

Material

Glass, Silicone

Aquarium Type

Nano Tank, Freshwater

Capacity (Max)

20-gal

Fish Type

Marine Fish, Tropical Freshwater
7
Tetra Glass Aquarium, 29-gal
Tetra Glass Aquarium, 29-gal
Tetra Glass Aquarium, 29-gal
Tetra Glass Aquarium, 29-gal

Tetra Glass Aquarium, 29-gal

Rated 4.2 out of 5 stars
17
$136.79Chewy Price
($4.72/gl)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Compatibility

4.7/5
Excellent

Durability

4.6/5
Excellent

Ease of Use

4.4/5
Great

Effectiveness

4.4/5
Great

Is this saltwater aquarium right for my pet?

Material

Glass, Metal, Steel

Capacity (Max)

29-gal

Fish Type

Betta, Bottom Feeder, Cichlid, Discus...
8
JBJ Aquarium Nano-Cube DX LED Curved Glass Fish Aquarium, 24-gal
JBJ Aquarium Nano-Cube DX LED Curved Glass Fish Aquarium, 24-gal
JBJ Aquarium Nano-Cube DX LED Curved Glass Fish Aquarium, 24-gal

JBJ Aquarium Nano-Cube DX LED Curved Glass Fish Aquarium, 24-gal

Rated 4.4 out of 5 stars
5
$315.00Chewy Price
($13.13/gl)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Compatibility

4.5/5
Great

Durability

4.4/5
Great

Ease of Use

4.7/5
Excellent

Effectiveness

4.7/5
Excellent

Is this saltwater aquarium right for my pet?

Material

Glass

Aquarium Type

Nano Tank, Saltwater, Freshwater

Capacity (Max)

24-gal

Fish Type

Marine Fish
9
Tetra Glass Aquarium, 10-gal
Tetra Glass Aquarium, 10-gal
Tetra Glass Aquarium, 10-gal
Tetra Glass Aquarium, 10-gal
Tetra Glass Aquarium, 10-gal

Tetra Glass Aquarium, 10-gal

Rated 4 out of 5 stars
9
$89.99Chewy Price
($9.00/gl)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Compatibility

4.3/5
Great

Durability

4.7/5
Excellent

Ease of Use

4.7/5
Excellent

Effectiveness

4.3/5
Great

Is this saltwater aquarium right for my pet?

Material

Glass, Steel, Metal

Capacity (Max)

10-gal

Fish Type

Betta, Bottom Feeder, Cichlid, Discus...
10
Tetra Glass Aquarium, 5.5-gal
Tetra Glass Aquarium, 5.5-gal
Tetra Glass Aquarium, 5.5-gal

Tetra Glass Aquarium, 5.5-gal

Rated 5 out of 5 stars
2
$49.99Chewy Price
($9.09/gl)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Compatibility

4.7/5
Excellent

Durability

4.7/5
Excellent

Ease of Use

4.7/5
Excellent

Effectiveness

4.7/5
Excellent

Is this saltwater aquarium right for my pet?

Material

Glass, Steel, Metal

Aquarium Type

Freshwater, Saltwater

Capacity (Max)

5.5-gal

Fish Type

Tropical Freshwater, Betta, Bottom Feeder, Cichlid...