Aquarium ornaments are a fun and creative way to spruce up your fish tank while also providing a stimulating environment for your aquatic pets. These decorative items come in a variety of shapes, sizes, and materials, allowing you to personalize your tank to your liking.
When choosing the best aquarium ornaments, there are a few things to keep in mind. First, consider the size of your tank and the space available for decorations. You don’t want to overcrowd the tank or obstruct the flow of water. Second, consider the material of the ornament. Some materials, such as certain types of plastic or paint, can be toxic to fish. Third, think about the theme or style you want to achieve with your decorations.
We spent hours researching and testing various aquarium ornaments to find the ones that are not only safe for your fish but also add visual interest to your tank. In this article, we will share our top picks for the best aquarium ornaments on the market.
Best Aquarium Ornaments
If you want to add some personality to your aquarium, ornaments are a great way to do it. Not only do they provide visual interest, but they also give your fish a place to explore and hide. In this article, we’ve rounded up the best aquarium ornaments on Amazon to help you find the perfect addition to your tank.
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Penn-Plax Spongebob Squarepants Officially Licensed Aquarium Ornament – Squidward’s Easter Island Home

If you are a fan of SpongeBob Squarepants, this aquarium ornament is a must-have for you. It is a fun and colorful addition to any aquarium and provides a safe and comfortable home for your fish.
Pros
- The ornament is made of safe and durable resin, ensuring that it is safe for both freshwater and saltwater aquariums.
- It is super easy to clean with just a wipe down and rinse off with warm water.
- The ornament is the perfect accent to any aquarium, regardless of size. It is designed to be the perfect home for most small and medium fish, allowing them to swim in and around it and reducing fish boredom.
Cons
- You may need to tilt Squidward’s House on a 45-degree angle to allow trapped air to escape before you position it in your tank. Once you’ve done this, there’s no need to worry about it floating around once you place it underwater.
- The ornament is not suitable for larger fish or tanks.
- The green color may cause some discoloration in the water if not soaked overnight before placing it in the tank.
If you are looking for a fun and colorful addition to your aquarium, the Penn-Plax Spongebob Squarepants Officially Licensed Aquarium Ornament – Squidward’s Easter Island Home is a great option. It is made of safe and durable resin, super easy to clean, and provides a comfortable home for your fish. Just make sure to follow the instructions to avoid any issues with floating or discoloration.
Penn-Plax Spongebob Squarepants Officially Licensed Aquarium Ornament – The Krusty Krab

If you’re a fan of Spongebob Squarepants, then you should definitely consider purchasing this officially licensed Krusty Krab aquarium ornament from Penn-Plax. It’s a fun and colorful addition to any aquarium, and your fish will love it too!
Pros
- The ornament is made of safe and durable resin that is perfect for both freshwater and saltwater aquariums.
- It’s super simple to clean – just wipe it down and rinse it off with warm water.
- The Krusty Krab aquarium ornament is designed to be the perfect accent to any aquarium, regardless of size.
Cons
- Some customers have reported that the ornament is too small for their fish to fit inside.
- The paint on the ornament may start to come off after a few weeks, which could be harmful to your fish.
- The Krusty Krab aquarium ornament is more for decoration than a hideout for your fish.
If you’re looking for a fun and colorful addition to your aquarium, then the Penn-Plax Spongebob Squarepants Officially Licensed Aquarium Ornament – The Krusty Krab is definitely worth considering. It’s made of safe and durable resin, and it’s super easy to clean. However, some customers have reported that it’s too small for their fish to fit inside, and the paint may start to come off after a few weeks.
Aihotim Aquarium Decoration, Fish Tank Ornaments Shipwreck Decor Sunken Ship for Freshwater Saltwater Tanks

If you’re looking for a small and cute aquarium ornament that won’t take up too much space, the Aihotim Aquarium Decoration is a great option.
Pros
- The size of this sunken ship decor is perfect for small aquarium pets, such as betta, hermit crab, crayfish, sucker fish, axolotl, guppies, blue rams.
- The material used to craft this fish tank ornament is safe and durable resin, making it perfect for both freshwater and saltwater aquariums.
- The realistic sunken shipwreck design adds a natural scenery to your fish tank and impresses guests.
Cons
- The size of this ornament is small, so it may not be suitable for large aquariums or bigger fish.
- The paint on the ornament may fade over time.
- The cleaning process may require more attention to ensure it stays in good condition.
This Aihotim Aquarium Decoration is a perfect fit for small aquariums and adds a fun and realistic touch to your fish tank. The safe and durable resin material makes it perfect for both freshwater and saltwater aquariums. The realistic sunken shipwreck design is sure to impress guests and add a natural scenery to your fish tank. However, it may not be suitable for larger aquariums or bigger fish. The paint on the ornament may fade over time, and the cleaning process may require more attention to ensure it stays in good condition. Overall, if you have a small aquarium and want to add some fun decor, this Aihotim Aquarium Decoration is a great option.
DoubleWood Decaying Trunk Aquarium Betta Fish Ornament Driftwood Resin Crafts Ornament for Aquarium Decoration Fish Tank Wood with Holes & Aquarium Caves Fish Tank Wood Decor

If you’re looking for a natural-looking aquarium ornament that adds a sunken look and feel to your tank, then the DoubleWood Decaying Trunk Aquarium Betta Fish Ornament Driftwood Resin Crafts Ornament is a great option.
Pros
- This ornament is made of high-quality resin material, which is safe for all aquariums and fish.
- It comes in two sizes, making it perfect for use in small and medium-sized fish tanks.
- The lightweight and sturdy branches are perfect for decorating and climbing reptiles.
Cons
- The pieces have sharp edges that could potentially tear the fins of bettas or guppies.
- The colors are duller than the picture.
- The chemical smell is strong when you first open the package.
The DoubleWood Decaying Trunk Aquarium Betta Fish Ornament Driftwood Resin Crafts Ornament is a great addition to any aquarium, especially if you’re looking for a natural-looking ornament. The ornament is made of high-quality resin material, which is safe for all aquariums and fish. It comes in two sizes, making it perfect for use in small and medium-sized fish tanks. The lightweight and sturdy branches are perfect for decorating and climbing reptiles.
However, there are some cons to consider before purchasing this ornament. The pieces have sharp edges that could potentially tear the fins of bettas or guppies. The colors are duller than the picture. The chemical smell is strong when you first open the package.
Despite the cons, the DoubleWood Decaying Trunk Aquarium Betta Fish Ornament Driftwood Resin Crafts Ornament is still a great option for those looking for a natural-looking ornament for their aquarium. It is vividly and color detailed to add lively and natural life to your tank.
SLOCME Aquarium Shipwreck Decorations

If you’re looking for a unique and fun way to add some visual appeal to your aquarium, the SLOCME Aquarium Shipwreck Decorations might be just what you need.
Pros
- The ship decoration has live action with moving masts, a lifeboat, and bubbles that rise from the holes in the ship, making it a fun and interesting addition to any tank.
- It is designed to attach to an air pump, which not only provides movement but also aerates your tank in a unique way.
- This sunken ship decoration is hand-painted with great attention to detail and is safe for use in both freshwater and saltwater aquariums.
Cons
- The shipwreck decoration can be a bit buoyant and may require additional weights to keep it in place.
- Some users have reported that the air flow isn’t consistent, and additional valves may be needed for optimal performance.
- The size of the ship decoration may be smaller than expected.
The SLOCME Aquarium Shipwreck Decorations are a great way to add some fun and unique decoration to your aquarium. The ship’s moving masts, lifeboat, and bubbles create a realistic and engaging display that is sure to delight both you and your fish. Plus, it is safe for use in both freshwater and saltwater aquariums.
However, some users have reported that the decoration can be a bit buoyant and may require additional weights to keep it in place. Additionally, the air flow may not be consistent, and additional valves may be needed for optimal performance. Finally, the size of the decoration may be smaller than expected, so be sure to check the dimensions before purchasing.
Overall, if you’re looking for a fun and engaging way to decorate your aquarium, the SLOCME Aquarium Shipwreck Decorations are definitely worth considering.
Buying Guide
When it comes to buying aquarium ornaments, there are a few things to consider to ensure that you get the best product for your needs. Here are some factors to keep in mind:
Material
The material of the ornament is an important consideration as it can affect the safety and longevity of the product. Look for ornaments made from non-toxic materials that won’t harm your fish. Common materials include resin, ceramic, and plastic.
Size
Consider the size of your aquarium when choosing an ornament. You don’t want an ornament that is too large and takes up too much space or one that is too small and gets lost in the tank. Take measurements of your aquarium before purchasing an ornament to ensure a proper fit.
Theme
Choose an ornament that fits the theme of your aquarium. There are many different types of ornaments available, from sunken ships to ancient ruins, so choose one that complements your aquarium’s aesthetic.
Functionality
Some ornaments serve a practical purpose, such as providing hiding spots for fish or creating aeration. Consider if you want an ornament that serves a functional purpose or if you simply want one for decoration.
Maintenance
Consider the maintenance required for the ornament. Some ornaments may require cleaning or special care to prevent algae growth or damage. Choose an ornament that is easy to maintain and won’t cause any extra hassle.
By considering these factors, you can choose the best aquarium ornament for your needs.
Frequently Asked Questions
What are some unique aquarium decoration ideas?
If you want to add a unique touch to your aquarium, consider adding some driftwood, rocks, or even a small statue. You can also try adding some live plants or a background image to give your tank a more natural feel.
What are some affordable aquarium decorations?
There are many affordable options for aquarium decorations, such as plastic plants, colored gravel, or even simple rocks. You can also find inexpensive ornaments like miniature castles, sunken ships, or pirate treasure chests.
What are the best tall aquarium decorations?
If you have a tall aquarium, consider adding some tall plants like bamboo or grasses. You can also try adding some tall rocks or driftwood to give your tank a more natural look.
What are some modern fish tank decoration options?
If you want a modern look for your aquarium, consider adding some sleek metallic ornaments or geometric shapes. You can also try adding some LED lights to give your tank a futuristic feel.
What are the safest decorations for a fish tank?
When choosing decorations for your fish tank, it’s important to choose items that are safe for your fish. Avoid sharp or rough objects that could injure your fish, and be sure to choose items that won’t leach harmful chemicals into the water.
Do fish benefit from having tank ornaments?
While fish don’t necessarily need decorations in their tank, having ornaments can provide them with a more stimulating environment. Fish may enjoy exploring and hiding in decorations, which can help keep them mentally and physically active.