Decor, Gravel & Substrate

(517 results)
CaribSea Super Naturals Aquarium Sand - Moonlight White
(94)
$19.89
$29.99
Buy any tank get 20% off entire stock substrate (excludes Gems)
Save 35% On Your First Autoship Order!
+ 2 more
Activ-Flora Floracor Black Planted Aquarium Substrate
(18)
$19.99
$24.99
Buy any tank get 20% off entire stock substrate (excludes Gems)
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Fluval® Plant Stratum Aquarium Substrate
(117)
$24.69
$28.99
Buy any tank get 20% off entire stock substrate (excludes Gems)
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+ 1 more
Top Fin® Premium Aquarium Gravel - Classic Beach
(64)
$7.99
Buy any tank get 20% off entire stock substrate (excludes Gems)
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Top Fin® Premium Aquarium Gravel - Caribbean Sea Mix
2 sizes
(45)
$7.99 - $25.99
Buy any tank get 20% off entire stock substrate (excludes Gems)
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Top Fin® Java Fern Live Plant
(35)
$6.99
10X points (20% back in savings) on all aquatic live plants
Free Same-Day Delivery, No Order Minimum!
Zoo Med Betta Leaf Hammock
(490)
$3.49
$5.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Aqua Natural Aquarium Sand - Galaxy Black
2 sizes
(79)
$14.39 - $24.99
Buy any tank get 20% off entire stock substrate (excludes Gems)
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CaribSea African Cichlid Mix Aquarium Substrate
(36)
$15.39
$29.99
Buy any tank get 20% off entire stock substrate (excludes Gems)
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Top Fin® Premium Aquarium Gravel - Brown & White
(30)
$25.99
Buy any tank get 20% off entire stock substrate (excludes Gems)
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CaribSea LifeRock Dry Live Rock
(63)
$54.99
Buy 2 Get the 3rd Free Aquatic Ornaments (excluding Glofish)
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CaribSea Super Naturals Aquarium Sand - White
(22)
$19.89
$27.99
Buy any tank get 20% off entire stock substrate (excludes Gems)
Save 35% On Your First Autoship Order!
+ 2 more
Fluval Plant & Shrimp Stratum
(6)
$49.99
Buy any tank get 20% off entire stock substrate (excludes Gems)
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Zoo Med Mopani Wood Aquarium Ornament
4 sizes
(169)
$4.99 - $54.99
Buy 2 Get the 3rd Free Aquatic Ornaments (excluding Glofish)
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Top Fin® Stone & Coral Bubbler Aquarium Ornament
(281)
$59.99
Buy 2 Get the 3rd Free Aquatic Ornaments (excluding Glofish)
Save 35% On Your First Autoship Order!
+ 2 more
CaribSea Super Naturals Premium Aquarium Substrate
(45)
$19.89
$29.99
Buy any tank get 20% off entire stock substrate (excludes Gems)
Save 35% On Your First Autoship Order!
+ 2 more
Top Fin Aquarium Gravel - River Rock
2 sizes
(0)
$7.99 - $25.99
Buy any tank get 20% off entire stock substrate (excludes Gems)
Top Fin Aquarium Gravel - Midnight Black
2 sizes
(0)
$7.99 - $25.99
Buy any tank get 20% off entire stock substrate (excludes Gems)
Aqua Natural Aquarium Sand - White
(58)
$14.39
$14.99
Buy any tank get 20% off entire stock substrate (excludes Gems)
Save 35% On Your First Autoship Order!
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Aqua Natural Quartz Aquarium Gravel - Black
2 sizes
(51)
$14.39 - $24.99
Buy any tank get 20% off entire stock substrate (excludes Gems)
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Top Fin® Premium Aquarium Gravel - Black & Neon
3 sizes
(48)
$4.99 - $25.99
Buy any tank get 20% off entire stock substrate (excludes Gems)
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Top Fin® Ship Aquarium Ornament
(71)
$109.99
Buy 2 Get the 3rd Free Aquatic Ornaments (excluding Glofish)
Save 35% On Your First Autoship Order!
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Aqua-Flora Living Log
(98)
$14.99
Buy 2 Get the 3rd Free Aquatic Ornaments (excluding Glofish)
Save 35% On Your First Autoship Order!
+ 1 more
CaribSea Aragonite Aragamax Select Substrate
(38)
$10.39
$16.99
Buy any tank get 20% off entire stock substrate (excludes Gems)
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Aqua Natural Aquarium Gravel - Gold Pearl
(36)
$23.79
$24.99
Buy any tank get 20% off entire stock substrate (excludes Gems)
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Top Fin® Premium Aquarium Gravel - Bright White
3 sizes
(58)
$4.99 - $25.99
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+ 2 more
Top Fin® Premium Aquarium Gravel - Deep Blue
3 sizes
(57)
$2.47 - $25.99
Buy any tank get 20% off entire stock substrate (excludes Gems)
Save 35% On Your First Autoship Order!
+ 2 more
Top Fin® Ship with LED Light & Bubbler Aquarium Ornament
(126)
$79.99
Buy 2 Get the 3rd Free Aquatic Ornaments (excluding Glofish)
Save 35% On Your First Autoship Order!
+ 2 more
Top Fin® Massive Leafy Driftwood Aquarium Ornament
(28)
$99.99
Buy 2 Get the 3rd Free Aquatic Ornaments (excluding Glofish)
Free Same-Day Delivery, No Order Minimum!
Top Fin® Greenery Driftwood Aquarium Ornament
(148)
$49.99
Buy 2 Get the 3rd Free Aquatic Ornaments (excluding Glofish)
Save 35% On Your First Autoship Order!
+ 2 more
GloFish® Aquarium Gravel
1 size 4 colors
(124)
$4.09
$6.99
Buy any tank get 20% off entire stock substrate (excludes Gems)
Save 35% On Your First Autoship Order!
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Top Fin® Lobelia Cardinalis Live Plant
(68)
$9.99
10X points (20% back in savings) on all aquatic live plants
Free Same-Day Delivery, No Order Minimum!
Zoo Med Floating Betta Log
(328)
$7.99
$9.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
CaribSea Ocean Direct Caribbean Live Aquarium Sand
(65)
$6.89
$9.99
Buy any tank get 20% off entire stock substrate (excludes Gems)
Save 35% On Your First Autoship Order!
+ 2 more
Top Fin® Barnacle Barrel Aquarium Ornament
(253)
$11.19
Buy 2 Get the 3rd Free Aquatic Ornaments (excluding Glofish)
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Asian Temple Aquarium Ornament
(15)
$79.99
Buy 2 Get the 3rd Free Aquatic Ornaments (excluding Glofish)
Save 35% On Your First Autoship Order!
+ 2 more
Aqua Natural Aquarium Gravel - Red Flint
(2)
$12.47
$24.99
Buy any tank get 20% off entire stock substrate (excludes Gems)
Top Fin® Premium Aquarium Gravel - Mardi Gras Mix
3 sizes
(26)
$4.99 - $25.99
Buy any tank get 20% off entire stock substrate (excludes Gems)
Save 35% On Your First Autoship Order!
+ 2 more
Top Fin® Grey Wood with Plants Aquarium Ornament
(46)
$79.99
Buy 2 Get the 3rd Free Aquatic Ornaments (excluding Glofish)
Save 35% On Your First Autoship Order!
+ 2 more
CaribSea Exotica Dragon Stone
(141)
$34.99
Buy 2 Get the 3rd Free Aquatic Ornaments (excluding Glofish)
Save 35% On Your First Autoship Order!
+ 2 more
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Now that you’ve got your fishy’s new home up and running, it’s time to furnish it! Make their tank beautiful and fun to explore with aquarium accessories from PetSmart. You can show off your creative side and give them an environment they love. Choose a fun theme like a shipwreck or even decorate their aquarium for the holidays. From sand and gravel to backgrounds and aquarium ornaments, PetSmart has fish tank décor that will help your finned friends live their best life. 
If you’re ready to add a little pizzazz to your fish tank, shop PetSmart’s collection of fish tank décor and aquarium accessories, including:
Need to stock up on other essentials for your aquatic companions? Shop PetSmart’s other fish supplies for great prices from brands you trust. Perhaps you haven’t brought home your new fishy friend yet. PetSmart also has a great selection of live fish in our stores to choose from!
PetSmart also offers convenient shopping with curbside or in-store pickup. Need something today? We have select items available for same-day delivery in most areas powered by DoorDash. For items you purchase frequently, PetSmart has Autoship that automatically delivers the items you want to your door as often as you’d like. Check the website to see what items are eligible.
 

Frequently Asked Questions (FAQs)

 

Where can I buy aquatic plants?

 
If you’re ready to add a little pizzazz to your fish tank, shop PetSmart’s collection of fish tank décor and aquarium accessories, including aquatic plants
 

Do I need to decorate my fish tank?

 
Decorating your fish tank helps create an environment in which your aquatic pets can explore and enjoy themselves. Use plants and fish tank décor to show off your personality and give your fish something they'll love.
 

What accessories should I put in my fish tank?

 
Accessories you should put in you fish tank include aquarium plants, fish tank décor, substrate, backgrounds, filters, pumps, heaters, lighting and more.