23 Unfathomably Awesome Fish Tank Decorations That The Residents In Your Aquarium Will Love

Updated: Mar 13 2023
23 Unfathomably Awesome Fish Tank Decorations That The Residents In Your Aquarium Will Love
ThisIsWhyImKeepBuying is reader supported, some products displayed may earn us a commission. Learn more.

Poseidon himself wishes he could decorate his undersea kingdom with fish tank decorations as cool as these. Your aquarium will never look the same and your relationship with your fish will be better than ever after outfitting their space with eclectic decor that they'll love. These are more than aquarium ornaments and fish tank ornaments, they're playful places for your fish to rest in, explore, and interact with. With fun themes like Spongebob, pirates, mermaids, Pokemon, Jurassic Park (check out that fish tank background!), shipwrecks, and natural wonders, there's a lot of opportunity for customization and showing off your under-the-sea personality. And don't worry about your fish's safety, these aquarium decorations are made of materials that are fish safe and in some cases, marine biologist approved. 

Dragon Valley Aquarium Decoration

Remember that scene in Game of Thrones when Viserion the Dragon dies at the Night King's hand and crashes into the water? You can tell your fish that this Dragon Valley aquarium decoration is a scale model of that scene. Fish are very impressed by Hollywood lore so they'll love playing in this unique tank scene.
$24 .99

Price may change. Check the merchant site for current pricing.

Check it out

This may be an affiliate link. We may earn a commission at no extra cost to you.

Goldfish Soccer Game

David Betta-fish-ham who? Your fish will be swimming circles around anyone who plays for Man United or one of those fancy footy teams after practicing with this game, and he doesn't even have feet! The set comes a training DVD and 100 full-color photos to help get your fish's skills up to speed.
$49 .99

Price may change. Check the merchant site for current pricing.

Check it out

This may be an affiliate link. We may earn a commission at no extra cost to you.

Lava Flow Fish Tank Decoration

THE FISH TANK IS LAVA! Just kidding, this molten rock is totally not actually molten, but your fish don't know that. They'll enjoy a rousing game of The Floor is Lava and dash around the rocky crag being careful not to touch the brightly colored orange flow.
$21 .99

Price may change. Check the merchant site for current pricing.

Check it out

This may be an affiliate link. We may earn a commission at no extra cost to you.

Vintage Fighter Plane Decoration

Make your fish tank look like the battlefield of a WW2-era dogfight with this vintage airplane wreck at the bottom of your tank's craggy depths. It sorta looks like the one that crashed in Wonder Woman, so your fish might wonder if they'll find her and her pals around the 10" plane.
$17 .99

Price may change. Check the merchant site for current pricing.

Check it out

This may be an affiliate link. We may earn a commission at no extra cost to you.

Oversize Fish Tank Crystal

New Age fish need New Age decor in their aquarium. They can focus all of their energy on this oversize tank crystal, which will help them manifest good things into their lives, like extra food or a new fish friend. It has smooth edges that will keep your fish safe.
$13 .99

Price may change. Check the merchant site for current pricing.

Check it out

This may be an affiliate link. We may earn a commission at no extra cost to you.

Classic Old Timey Scuba Helmet

Many aquariums through the years have featured this old-timey SCUBA helmet, and who are you to say no to a classic? The eco- and fish-friendly helmet makes a great hide cave or place to find some respite after a busy day of being a fish.
$17 .99

Price may change. Check the merchant site for current pricing.

Check it out

This may be an affiliate link. We may earn a commission at no extra cost to you.

Shipwrecked Titanic Aquarium Ornament

Get your fish in on the debate as to whether or not there was room for Jack on that door by transplanting the wreck of the Titanic to your fish Tank. The wreck comes in a few pieces so your fish can explore the nooks and crannies.
$14 .50

Price may change. Check the merchant site for current pricing.

Check it out

This may be an affiliate link. We may earn a commission at no extra cost to you.

Fish Tank Bubble Light

A lot of fun will bubble up from this light, which will make your fish's tank look and feel like a party zone. The bubbler will help aerate the tank as it emits your choice of 16 colors from its LED lights.
$22 .99

Price may change. Check the merchant site for current pricing.

Check it out

This may be an affiliate link. We may earn a commission at no extra cost to you.

Aerating Skeleton Captain Fish Tank Ornament

Part of the ship, part of the crew, eh? Pirate Skelly Bones here is cruising all the way down to Davy Jones's locker. But he does more than pilot the ship! He's driven by an air pump that bubbles and brews up a little aeration to keep your tank healthy.
$17 .82

Price may change. Check the merchant site for current pricing.

Check it out

This may be an affiliate link. We may earn a commission at no extra cost to you.

Glowing Mushroom Fish Tank Ornament

Your fish will be guaranteed a good trip after hanging out with these glowing psychedelic mushrooms. The bright artificial plants are crafted from soft silicone so your fish can hang out in and around them and have a safe place to chill.
$8 .99

Price may change. Check the merchant site for current pricing.

Check it out

This may be an affiliate link. We may earn a commission at no extra cost to you.

Giant Wizard Castle for Fish Tanks

Your fish have been waiting for their letter to Hogwarts since they turned eleven years old and they've got nothing. But they can still go to school in a magical place with this castle in their tanks. The oversized piece is truly magical and something they'll love swimming in and out of.
$24 .65

Price may change. Check the merchant site for current pricing.

Check it out

This may be an affiliate link. We may earn a commission at no extra cost to you.

Roman Gladiator Stadium Fish Tank Decor

The smaller your fish is, the more he thinks he could've been one of the 300 or fought a lion in an amphitheater-like this one. Send your historian buff fish on the adventure of a lifetime with the resin ruins, which are a whopping 11" tall and offer lots of nooks to explore.
$27 .90

Price may change. Check the merchant site for current pricing.

Check it out

This may be an affiliate link. We may earn a commission at no extra cost to you.

Jaws Fish Tank Diorama

Don't worry, you won't need a bigger boat to hold this officially licensed Jaws diorama. Nor will the shark eat your fish. They will enjoy playing out the Spielberg hit, though, and don't be surprised if you see them swimming with just one fin above the top of the water.
$14 .99

Price may change. Check the merchant site for current pricing.

Check it out

This may be an affiliate link. We may earn a commission at no extra cost to you.

VW Beetle and Psychedelic Forest

Your fish won't have to worry about missing the happiest, hippie-est music festival out there, their ride to Woodstock has just arrived! This VW Beetle will take them on a very good trip and bring a touch of psychedelic joy to their aquarium.
$13 .79

Price may change. Check the merchant site for current pricing.

Check it out

This may be an affiliate link. We may earn a commission at no extra cost to you.

Baby Groot Air Bubbler

Your fish have watched every Marvel movie with them since the beginning and they, like everyone else, are absolutely in love with Baby Groot. Dress up their tank and keep it healthy with this Baby Groot air bubbler. The resin figurine is a fun place for them to hide and will aerate the tank.
$11 .99

Price may change. Check the merchant site for current pricing.

Check it out

This may be an affiliate link. We may earn a commission at no extra cost to you.

Meditating Fish Tank Statue

Meditating Buddha here was crafted from natural sandstone with smooth edges that will bring a sense of calm and serenity to your fish tank. The 4" tall statue is ideal for fish that need a little zen in their lives, perhaps ones that have a cat gazing into their tank at all hours.
$9 .99

Price may change. Check the merchant site for current pricing.

Check it out

This may be an affiliate link. We may earn a commission at no extra cost to you.

Floating Submarine Ornament

We all live in a floating submarine, a floating submarine, a floating submarine. Remember that song from the Beatles? It went something like that, right? Your gish are sure to be humming right along as they swim in and out of the piece, which hangs from the side of your aquarium.
$7 .99

Price may change. Check the merchant site for current pricing.

Check it out

This may be an affiliate link. We may earn a commission at no extra cost to you.

Mini Driftwood Coral Reef

Coral reefs are wonders of the natural world and with these natural wood elements, your fish can experience that beauty in their own tanks. The driftwood is high quality and suitable for tanks of all water types. They measure between 4.5" and 7.5" so they fit medium to large tanks best.
$18 .99

Price may change. Check the merchant site for current pricing.

Check it out

This may be an affiliate link. We may earn a commission at no extra cost to you.

Dragonball Goku General Tao Decor

Did you know that Super Saiyans can use their powers in both fresh water and salt water? These ones can at least, and they will! The playful cartoon duo will delight your fish and don't have any sharp edges that might harm them.
$15 .99

Price may change. Check the merchant site for current pricing.

Check it out

This may be an affiliate link. We may earn a commission at no extra cost to you.

Spongebob's House

Who lives in a pineapple under the sea? YOUR FISH DOES! He'll be so excited to move into his new home that he might start asking for a pet snail to join him. The durable resin pineapple is made to last and is about 5.5" tall.
$8 .58

Price may change. Check the merchant site for current pricing.

Check it out

This may be an affiliate link. We may earn a commission at no extra cost to you.

The Krusty Krab

The Krusty Krab is always looking for more employees and your fish will love working with Mr. Krabs, who wouldn't? The ornament fits most medium to small tanks and measures about 3.5" in height. There are plenty of holes and places to hide, which fish will love, but Mr. Krabs might not.
$6 .70

Price may change. Check the merchant site for current pricing.

Check it out

This may be an affiliate link. We may earn a commission at no extra cost to you.

Glowing Anemone Ornament

The anemone of my anemone is my friend, and that's true for fish, too. Give them the same sort of home that Marlin had in Finding Nemo with a glowing twist with this playful ornament.
$5 .54

Price may change. Check the merchant site for current pricing.

Check it out

This may be an affiliate link. We may earn a commission at no extra cost to you.

Colorful Fish Tank Reef Garden

Your fish will feel like they're on a tropical vacation while exploring this resin-cast reef. There are 15 pieces of multicolor decor in the set that you can arrange to your desire. The plants are soft so they'll move about in the water and your fish can play with them.
$15 .89

Price may change. Check the merchant site for current pricing.

Check it out

This may be an affiliate link. We may earn a commission at no extra cost to you.

Egyptian Pyramid Aquarium Ornament

Osiris himself would approve of this pyramid since he's the Egyptian God of water and all. Your fish will probably like it, too, because it'll make them feel like Egyptian royalty. Just don't tell them how the Egyptians felt about cats (loved 'em!) they might get scared.
$9 .59

Price may change. Check the merchant site for current pricing.

Check it out

This may be an affiliate link. We may earn a commission at no extra cost to you.

Shipwrecked Submarine Aquarium Ornament

If The Hunt for Red October had ended a little differently, it might have looked something like this. The tank decoration is massive as aquarium decor goes, at almost 11"5" long and 6" tall. Your fish will love going in an out of its shipwrecked hull.
$16 .99

Price may change. Check the merchant site for current pricing.

Check it out

This may be an affiliate link. We may earn a commission at no extra cost to you.

Squidward's House

Every fish needs a neighbor to annoy, unless he enjoys the sound of clarinet music, and with Squidward's house in his tank, he'll have that opportunity. Swimming in and out of the 6" house's mouth to drop in for a visit surely wouldn't set Squidward off.
$8 .52

Price may change. Check the merchant site for current pricing.

Check it out

This may be an affiliate link. We may earn a commission at no extra cost to you.

Herbie the Love Bug Fish Tank Car

Children of every generation except Gen Z probably remember Herbie the Love Bug. This is Herbie's sister, uh, Herba, since eagle-eyed fans will notice a discrepancy in the number on the hood. The lookalike makes a charming addition to your aquarium but kinda makes you wonder who would've driven him into a body of water.
$18 .99

Price may change. Check the merchant site for current pricing.

Check it out

This may be an affiliate link. We may earn a commission at no extra cost to you.

Classic Fish Tank Volcano Bubbler

It seemed like everyone who had a fish tank from 1970-2000 had a volcano like this in their fish tank. Enjoy that pop of nostalgia in your own aquarium with the piece, which is handpainted to look especially badass. It bubbles, so it'll help keep your tank healthy.
$16 .99

Price may change. Check the merchant site for current pricing.

Check it out

This may be an affiliate link. We may earn a commission at no extra cost to you.

Broken Vase Fish Tank Ornament

Ruh-roh, looks like someone broke this vase! Your fish will be the ones to solve the mystery of who broke it. The faux clay pot (it's actually made of resin) is about 5.5" tall and riddled with holes that make it an excellent piece to swim through or hide in.
$18 .99

Price may change. Check the merchant site for current pricing.

Check it out

This may be an affiliate link. We may earn a commission at no extra cost to you.

Triceratops Skull Fish Tank Ornament

If your fish is an aspiring paleontologist then they'll love this triceratops decoration. The creative resin skull is available in two sizes and is carefully crafted to capture every facet of the prehistoric beast's personality.
$15 .61

Price may change. Check the merchant site for current pricing.

Check it out

This may be an affiliate link. We may earn a commission at no extra cost to you.

Finding Nemo Crush Fish Tank Ornament

This Crush turtle figurine? It's awesome, Jellyman! If you've got a fish that needs someone like, totally chill to hang out with, he couldn't ask for a better pal than Crush. The groovy 150-year-old turtle from Finding Nemo will find a happy home in your aquarium.
$7 .99

Price may change. Check the merchant site for current pricing.

Check it out

This may be an affiliate link. We may earn a commission at no extra cost to you.

The Chum Bucket

Poor Plankton, he couldn't swing the rent in Bikini Bottom so he had to move into your aquarium. Will your smaller fish choose to patronize his establishment or will they, too, be put off by a lack of Krabby Pattys? There's only one way to find out.
$9 .78

Price may change. Check the merchant site for current pricing.

Check it out

This may be an affiliate link. We may earn a commission at no extra cost to you.

Hollow Log Fish Tank Cave

You've heard of being snug as a bug in a rug but what about being as "og" as a frog on a log? If you'd sit next to your fish on a log forever, treat them to this natural wonder. It's a plaything, a place to hide, and gives an aquarium a natural vibe.
$8 .99

Price may change. Check the merchant site for current pricing.

Check it out

This may be an affiliate link. We may earn a commission at no extra cost to you.

Spongebob and Friends Fish Tank Ornaments

Who lives in a pineapple under the sea? That'd be Spongebob and his friends! These aquarium ornaments will be your fish's new best friends. Mr. Krabs, Plankton, Sandy, Spongebob, Squidward, and Patrick are part of the bunch, and they're all really happy to be on vacation in your fish tank.
$17 .49

Price may change. Check the merchant site for current pricing.

Check it out

This may be an affiliate link. We may earn a commission at no extra cost to you.

Pharoh Statue for Fish Tanks

Your fish can take a vacation to ancient Egypt with this Pharoah decoration in their tank. How could they not love 4" of cold cast resin handpainted with luxurious gold-colored paint that sparkles and shine just a touch in the light?
$11 .99

Price may change. Check the merchant site for current pricing.

Check it out

This may be an affiliate link. We may earn a commission at no extra cost to you.

CONTACT US