Decor, Gravel & Substrate

(506 results)
Fluval® Plant & Shrimp Stratum Aquarium Substrate Planted Tank Substrate Shrimp Substrate
3 sizes
(139)
$15.99
$17.99
Options from
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Buy any tank, get 20% OFF ALL aquarium substrate. Excludes gems.
+ 1 more
CaribSea Super Naturals Aquarium Sand - White Fish Tank Sand
(39)
$23.79
$27.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Buy any tank, get 20% OFF ALL aquarium substrate. Excludes gems.
+ 2 more
Top Fin® Aquarium Sand - Black - Fish Tank Substrate - 5-20 lb
2 sizes
(6)
$9.99
Options from
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Buy any tank, get 20% OFF ALL aquarium substrate. Excludes gems.
+ 1 more
Top Fin® Small Live Aquarium Plant Variety Pack for Fish Tanks - 4 in
(3)
$17.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 25% when you buy 4+ ornaments, plastic plants & live plants, mix & match allowed
+ 1 more
Top Fin® Java Fern Live Aquarium Plant for Fish Tanks - 4-12 in
2 sizes
(4)
$6.99
Options from
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 25% when you buy 4+ ornaments, plastic plants & live plants, mix & match allowed
+ 3 more
Top Fin® Anubias Barteri Live Aquarium Plant for Fish Tanks - 4 in
(51)
$6.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 25% when you buy 4+ ornaments, plastic plants & live plants, mix & match allowed
+ 2 more
Top Fin® Premium Aquarium Gravel - Classic Beach - Fish Tank Substrate - 5 lb
(68)
$7.99
$8.79
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Buy any tank, get 20% OFF ALL aquarium substrate. Excludes gems.
+ 2 more
Aqua Natural Aquarium Sand - White Fish Tank Sand
(73)
$13.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Buy any tank, get 20% OFF ALL aquarium substrate. Excludes gems.
Top Fin® Amazon Sword Live Aquarium Plant for Fish Tanks - 4-12 in
3 sizes
(186)
$6.99
Options from
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 25% when you buy 4+ ornaments, plastic plants & live plants, mix & match allowed
+ 2 more
Top Fin® Premium Aquarium Gravel - Black & Neon - Fish Tank Substrate - 2-25 lb
3 sizes
(72)
$4.99
Options from
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Buy any tank, get 20% OFF ALL aquarium substrate. Excludes gems.
+ 2 more
Penn-Plax® SpongeBob Pineapple House Aquarium Ornament Fish Tank Decor
(16)
$9.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 25% when you buy 4+ ornaments, plastic plants & live plants, mix & match allowed
+ 2 more
Top Fin® Premium Aquarium Gravel - Caribbean Sea Mix - Fish Tank Substrate - 5-25 lb
2 sizes
(56)
$6.79
$7.99
Options from
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Buy any tank, get 20% OFF ALL aquarium substrate. Excludes gems.
+ 2 more
Zoo Med Betta Leaf Hammock Betta Resting Leaf with Suction Cup
(516)
$2.99
$6.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 25% when you buy 4+ ornaments, plastic plants & live plants, mix & match allowed
+ 2 more
CaribSea® LifeRock™ Dry Live Rock Saltwater Reef Substrate Aquascaping Rock Décor
(71)
$62.67
$64.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 25% when you buy 4+ ornaments, plastic plants & live plants, mix & match allowed
+ 2 more
CaribSea African Cichlid Mix Aquarium Substrate Cichlid Tank Substrate
(43)
$18.94
$29.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Buy any tank, get 20% OFF ALL aquarium substrate. Excludes gems.
+ 2 more
CaribSea Super Naturals Premium Aquarium Substrate Fish Tank Substrate
(66)
$23.79
$29.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Buy any tank, get 20% OFF ALL aquarium substrate. Excludes gems.
+ 2 more
Top Fin® Aquarium Gravel - River Rock - Fish Tank Substrate - 5-25 lb
2 sizes
(8)
$7.99
Options from
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Buy any tank, get 20% OFF ALL aquarium substrate. Excludes gems.
+ 1 more
Top Fin® Aquarium Gravel - Midnight Black - Fish Tank Substrate - 5-25 lb
2 sizes
(18)
$7.99
Options from
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Buy any tank, get 20% OFF ALL aquarium substrate. Excludes gems.
+ 1 more
Top Fin® Greenery Driftwood Aquarium Ornament - Fish Tank Decor - XL
(156)
$49.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 25% when you buy 4+ ornaments, plastic plants & live plants, mix & match allowed
+ 2 more
Activ-Flora Floracor Black Planted Aquarium Substrate Planted Tank Substrate
(25)
$20.80
$24.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Buy any tank, get 20% OFF ALL aquarium substrate. Excludes gems.
+ 2 more
Aqua Natural Quartz Aquarium Gravel - Black Fish Tank Gravel
(68)
$25.19
$27.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Buy any tank, get 20% OFF ALL aquarium substrate. Excludes gems.
+ 2 more
Top Fin® Premium Aquarium Gravel - Brown & White - Fish Tank Substrate - 25 lb
(42)
$25.99
$28.59
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Buy any tank, get 20% OFF ALL aquarium substrate. Excludes gems.
+ 2 more
Top Fin® Stone & Coral Bubbler Aquarium Ornament - Fish Tank Decor & Aeration - XL
(297)
$59.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 25% when you buy 4+ ornaments, plastic plants & live plants, mix & match allowed
+ 2 more
Top Fin® Aquarium Sand - White - Fish Tank Substrate - 5-20 lb
2 sizes
(12)
$9.99
Options from
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Buy any tank, get 20% OFF ALL aquarium substrate. Excludes gems.
+ 1 more
Top Fin® Dwarf Hairgrass Live Aquarium Plant Tissue Culture for Fish Tanks
(41)
$11.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 25% when you buy 4+ ornaments, plastic plants & live plants, mix & match allowed
+ 2 more
Top Fin® Ship Aquarium Ornament - Fish Tank Decor - XXL
(85)
$119.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 25% when you buy 4+ ornaments, plastic plants & live plants, mix & match allowed
+ 2 more
Top Fin® Coco Husk with Moss Live Aquarium Plant Hammock for Fish Tanks
(5)
$9.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 25% when you buy 4+ ornaments, plastic plants & live plants, mix & match allowed
+ 1 more
Penn-Plax Driftwood Aquarium Ornament Aquascaping Fish Tank Decor
(53)
$12.99
$13.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 25% when you buy 4+ ornaments, plastic plants & live plants, mix & match allowed
+ 2 more
Aqua-Flora ™ Living Log Aquascaping Fish Tank Decor
(152)
$21.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 25% when you buy 4+ ornaments, plastic plants & live plants, mix & match allowed
+ 1 more
Zoo Med Mopani Wood Aquarium & Terrarium Ornament - Climbing Terrarium Decor - Medium
4 sizes
(220)
$9.98
$14.99
Options from
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 25% when you buy 4+ ornaments, plastic plants & live plants, mix & match allowed
+ 2 more
Top Fin® Bacopa Live Aquarium Plant Tissue Culture for Fish Tanks
(10)
$11.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 25% when you buy 4+ ornaments, plastic plants & live plants, mix & match allowed
+ 1 more
Top Fin® Cardinalis Live Aquarium Plant Tissue Culture for Fish Tanks
(65)
$11.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 25% when you buy 4+ ornaments, plastic plants & live plants, mix & match allowed
+ 2 more
Top Fin® Anubias Live Aquarium Plants for Fish Tanks - 4-8 in
2 sizes
(255)
$6.99
Options from
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 25% when you buy 4+ ornaments, plastic plants & live plants, mix & match allowed
+ 2 more
Top Fin® Premium Aquarium Gravel - Bright White - Fish Tank Substrate - 2-25 lb
3 sizes
(72)
$4.99
Options from
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Buy any tank, get 20% OFF ALL aquarium substrate. Excludes gems.
+ 2 more
Top Fin® Premium Aquarium Gravel - Deep Blue - Fish Tank Substrate - 5-25 lb
2 sizes
(63)
$7.99
$8.79
Options from
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Buy any tank, get 20% OFF ALL aquarium substrate. Excludes gems.
+ 2 more
Top Fin® Grey Wood with Plants Aquarium Ornament - Fish Tank Decor - XXL
(46)
$79.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 25% when you buy 4+ ornaments, plastic plants & live plants, mix & match allowed
+ 2 more
CaribSea® Exotica™ Dragon Stone Aquascaping Rock Décor
(151)
$37.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 25% when you buy 4+ ornaments, plastic plants & live plants, mix & match allowed
+ 2 more
Top Fin® Ship with LED Light & Bubbler Aquarium Ornament - Fish Tank Decor - Large
(138)
$79.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 25% when you buy 4+ ornaments, plastic plants & live plants, mix & match allowed
+ 2 more
Top Fin® Brown Wood Cave Aquarium Ornament - Fish Tank Decor & Hideout - Medium
(136)
$24.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Save 25% when you buy 4+ ornaments, plastic plants & live plants, mix & match allowed
+ 2 more
CaribSea Aragonite Aragamax Select Substrate Saltwater Reef Substrate
(43)
$21.15
$21.99
Earn $10 back in savings (5,000 points) when you spend $39+ with Free Same-Day Delivery thru 11/8. One-time use.
Buy any tank, get 20% OFF ALL aquarium substrate. Excludes gems.
+ 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.