Decor, Gravel & Substrate

(311 results)
Top Fin® Stone & Coral Bubbler Aquarium Ornament
(291)
$79.99
Buy 1, get 2nd 20% off aquatic ornaments & artificial plants
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+ 1 more
Top Fin® Premium Aquarium Gravel - Classic Beach
(68)
$9.99
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Top Fin® Ship Aquarium Ornament
(83)
$139.99
Buy 1, get 2nd 20% off aquatic ornaments & artificial plants
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Top Fin® Premium Aquarium Gravel - Black & Neon
3 sizes
(60)
$6.99 - $35.99
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Top Fin® Premium Aquarium Gravel - Caribbean Sea Mix
2 sizes
(52)
$9.99 - $35.99
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Top Fin® Aquarium Gravel - Midnight Black
2 sizes
(14)
$9.99 - $34.99
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Top Fin® Mountain Cliff Waterfall Aquarium Ornament
(325)
$59.99
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+ 1 more
Top Fin® Aquarium Decor - Cichlid Rock, White
(2)
$6.99
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+ 1 more
Top Fin® Artificial Realistic Leaf Aquarium Plant - 4"
(36)
$4.99
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Top Fin® Artificial Striped Leaf Aquarium Plant - 8"
(56)
$5.99
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+ 1 more
Top Fin® Aquarium Gravel - River Rock
2 sizes
(8)
$9.99 - $34.99
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Top Fin® Premium Aquarium Gravel - Brown & White
(34)
$35.99
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Top Fin® Greenery Driftwood Aquarium Ornament
(152)
$59.99
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+ 1 more
Top Fin® Premium Aquarium Gravel - Bright White
3 sizes
(68)
$6.99 - $35.99
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Top Fin® Premium Aquarium Gravel - Deep Blue
2 sizes
(63)
$9.99 - $35.99
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Top Fin® Ship with LED Light & Bubbler Aquarium Ornament
(136)
$89.99
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+ 1 more
Top Fin® Slate Rock Aquarium Ornament
(163)
$18.99
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Top Fin® Grey Wood with Plants Aquarium Ornament
(46)
$99.99
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Top Fin® Massive Leafy Driftwood Aquarium Ornament
(36)
$119.99
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+ 1 more
Top Fin® Coral & Plant Rocky Aquarium Ornament
(167)
$49.99
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+ 1 more
Top Fin® Roman Sanctuary Bubbler Aquarium Ornament
(181)
$69.99
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+ 1 more
Top Fin® Tree Root Aquarium Ornament
(159)
$99.99
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+ 1 more
Top Fin® Betta Double Leaf
(4)
$7.99
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Top Fin® Aquarium Decor - Rock Swim Tunnel
(8)
$9.99
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+ 1 more
Top Fin® Premium Aquarium Gravel - Green Mix
(61)
$9.99
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Top Fin® Artificial Dense Leaf Aquarium Plant - 13"
(30)
$11.99
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+ 1 more
Top Fin® Seaside Heart Aquarium Ornament
(82)
$12.99
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+ 1 more
Top Fin® White Wash Wood Aquarium Ornament
(6)
$49.99
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+ 1 more
Top Fin® Asian Temple Aquarium Ornament
(17)
$99.99
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+ 1 more
Top Fin® Premium Aquarium Gravel - Mardi Gras Mix
3 sizes
(33)
$6.99 - $35.99
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Top Fin® Gray Stacked Rock Aquarium Ornament
(24)
$99.99
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+ 1 more
Top Fin® Brown Wood Cave Aquarium Ornament
(132)
$29.99
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+ 1 more
Top Fin® Ship & Sail Bubbler Aquarium Ornament
(82)
$44.99
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+ 1 more
Top Fin® Aragonite Aragamax Oolite Aquarium Sand
(51)
$39.99
Get 35% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 4/16
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+ 1 more
Top Fin® Hollowed Out Tree Aquarium Ornament
(82)
$24.99
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+ 1 more
Top Fin® Betta Cichlid Swim-Thru
(2)
$6.99
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+ 1 more
Top Fin® Premium Aquarium Gravel - Orange
(4)
$9.99
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Top Fin® Premium Aquarium Gravel - Bright Green
(0)
$9.99
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Top Fin® Premium Aquarium Gravel - Glow in the Dark
(106)
$9.99
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Top Fin® Premium Quality Aquarium Gravel - Pebble Beach
(20)
$6.99
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Now that you’ve got your fish’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.