Fish Tank & Aquarium Ornaments

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1 - 36 of 442 Results

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Sporn Snorkle Santa Aquarium Ornament

$5.99Chewy Price

FREE 1-3 day shipping over $49

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Marina Polyresin Cave Aquarium Décor, Small

Rated 4.4937 out of 5 stars
79
$9.66Chewy Price
$17.99List Price

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FREE 1-3 day shipping over $49

Penn-Plax SpongeBob Krusty-Krab Aquarium Ornament, Medium

Rated 3.7647 out of 5 stars
17
$6.00Chewy Price
$11.99List Price

FREE 1-3 day shipping over $49

Sporn Santa Turtle Aquarium Ornament

Rated 5 out of 5 stars
1
$5.99Chewy Price

FREE 1-3 day shipping over $49

Underwater Treasures Mini Plant Bog Grass Fish Ornament, 5 count

$3.14Chewy Price

FREE 1-3 day shipping over $49

Penn-Plax SpongeBob Pineapple Home Aquarium Ornament, 6.5-in

Rated 3.75 out of 5 stars
36
$5.87Chewy Price
$10.99List Price

FREE 1-3 day shipping over $49

Sporn Santa Sleigh Aquarium Ornament

Rated 5 out of 5 stars
1
$7.99Chewy Price

FREE 1-3 day shipping over $49

Penn-Plax Stone Hideaways Aquarium Ornament

$9.50Chewy Price
$48.99List Price

FREE 1-3 day shipping over $49

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Underwater Galleries Glow-In-The-Dark! Rainbow Aquarium Rock

Rated 4.3333 out of 5 stars
3
$9.95Chewy Price

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FREE 1-3 day shipping over $49

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SunGrow Betta Fish Hideout Cave, Decoration for Aquarium & Gecko Tank

Rated 4 out of 5 stars
42
$8.12Chewy Price
$9.99List Price
$7.71Autoship Price

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FREE 1-3 day shipping over $49

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Penn-Plax SpongeBob Squidwards Home Aquarium Ornament, 6.5-in

Rated 3.6429 out of 5 stars
42
$6.79Chewy Price
$9.99List Price

FREE 1-3 day shipping over $49

Underwater Treasures Mini Plant Sea Grass Fish Ornament, 5 count

$2.91Chewy Price

FREE 1-3 day shipping over $49

Underwater Treasure Mini Skull Fish Aquarium Ornament

Rated 2.5714 out of 5 stars
7
$3.90Chewy Price
$4.49List Price

FREE 1-3 day shipping over $49

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CC Pet Betta Cave Fish Aquarium Ornament

Rated 3.4 out of 5 stars
5
$7.59Chewy Price
$9.89List Price

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FREE 1-3 day shipping over $49

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GloFish Driftwood Aquarium Ornament, X-Large

Rated 3.8889 out of 5 stars
9
$12.29Chewy Price

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FREE 1-3 day shipping over $49

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Underwater Treasures Open Brain Coral Fish Ornament, Pink

$7.53Chewy Price

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FREE 1-3 day shipping over $49

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Penn-Plax Hideaway Pipes Aquarium Ornament

Rated 2.3333 out of 5 stars
6
$7.40Chewy Price
$15.99List Price

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FREE 1-3 day shipping over $49

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Underwater Treasures Crocodile Skull Fish Ornament, Medium

$9.60Chewy Price

FREE 1-3 day shipping over $49

Sporn Haunted House Aquarium Ornament

Rated 3 out of 5 stars
2
$4.83Chewy Price
$7.99List Price

FREE 1-3 day shipping over $49

Underwater Galleries Glow-In-The-Dark! New Moon Rock Aquarium Cave

Rated 2.375 out of 5 stars
8
$7.07Chewy Price
$7.95List Price

FREE 1-3 day shipping over $49

More Choices Available

More Choices Available

Zoo Med AquaLog Aquarium Ornament, Jumbo

Rated 3.7143 out of 5 stars
7
$28.99Chewy Price

FREE 1-3 day shipping over $49

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Penn-Plax Treasure Diver Aquarium Ornament

Rated 3.6667 out of 5 stars
3
$10.51Chewy Price
$21.99List Price

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Current USA Seiryu Aquarium Stone Set, 7 count

Rated 4.75 out of 5 stars
4
$91.95Chewy Price

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FREE 1-3 day shipping on this item

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Underwater Treasure Pirate Ship Fish Aquarium Ornament

Rated 4.25 out of 5 stars
8
$35.99Chewy Price

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FREE 1-3 day shipping over $49

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More Choices Available

Underwater Treasures Plant on Rock Mixed Fish Ornament, 10 count, Medium

$10.70Chewy Price

FREE 1-3 day shipping over $49

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Underwater Treasures Cauliflower Coral Fish Ornament, Blue

$10.84Chewy Price

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FREE 1-3 day shipping over $49

Penn-Plax SpongeBob Combo Aquarium Decor, 3 count

$21.93Chewy Price
$39.55List Price

FREE 1-3 day shipping over $49

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Underwater Treasures Cardamine Fish Plant, Pink, 6-in

$3.52Chewy Price

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FREE 1-3 day shipping over $49

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Underwater Treasures Magenta Bacopa Fish Ornament, Plum, 8-in

$3.04Chewy Price

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FREE 1-3 day shipping over $49

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Underwater Treasures Magical Mushrooms Fish Ornament, Model A

$19.39Chewy Price

FREE 1-3 day shipping over $49

Sporn Fish Coffin Bubbler Aquarium Ornament

Rated 2.8 out of 5 stars
5
$5.30Chewy Price
$7.99List Price

FREE 1-3 day shipping over $49

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More Choices Available

More Choices Available

Underwater Galleries Sea Cave Aquarium Stone, Medium

Rated 5 out of 5 stars
5
$14.95Chewy Price

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FREE 1-3 day shipping over $49

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Penn-Plax Sunken Battleship Aquarium Ornament, Medium

Rated 4.5938 out of 5 stars
32
$14.39Chewy Price
$20.99List Price

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FREE 1-3 day shipping over $49

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Penn-Plax Tank-Terr Corner Aquarium Ornament

Rated 2.625 out of 5 stars
8
$14.99Chewy Price
$19.99List Price

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FREE 1-3 day shipping over $49

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Underwater Treasure Battleship Ruins Fish Aquarium Ornament

$51.25Chewy Price
$60.49List Price

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FREE 1-3 day shipping on this item

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CC Pet Surrey Fish Aquarium Ornament

Rated 4.6667 out of 5 stars
3
$9.34Chewy Price
$14.29List Price

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FREE 1-3 day shipping over $49

Fish Tank & Aquarium Ornaments

Aquarium decorations give you the opportunity to expand your creativity and imagination and bring your tank to life. Exploring all the fish tank decorations that we offer is recommended to decide how you’d like to spice up your aquarium. If SpongeBob is one of your favorite cartoons, you’re in luck—we offer a whole collection of aquarium supplies that replicate Bikini Bottom. From the iconic pineapple home under the sea to the Krusty-Krab, these aquarium ornaments are bound to be a great place for your fish as well as the ultimate conversation starter. If your fish prefers to “just keep swimming” around colorful fish tank ornaments, there’s a Finding Dory Collection that makes for an incredible display of fish tank accessories. Looking for decor that will glimmer under your LED lights? Then, The GloFish Castle Aquarium Ornament could be an excellent add-on to your aquarium decorations. Fish tank decorations could also offer a perfect hideout for your fish to reduce stress when they need to relax. Decorative gravel is great for helping to keep your aquarium decorations in place. The GloFish Accent Gravel For Aquariums does exactly that. From battleships to ancient vases, Chewy has a ton of different aquarium decorations to bring your fish tank to life.

Related Categories: Aquarium Artificial Plants, Aquarium Backgrounds and Wood, Aquarium Sand and Gravel, Aquarium Gems and Accents, Aquarium Lighting and Motion, Fish Tank Décor and Accessories