Decorations

Items 1 to 48 of 749 total

If you truly want to create a unique habitat for your fish, turn to Big Al’s Pets. We carry more than 500 aquarium decorations to give you endless options for personalizing your aquarium. We’ll help you set the stage with decorative rocks and stones and gorgeous backgrounds to finish your aquarium scenery. Then, you can choose from our huge selection of plastic plants, silk plants, driftwood, and coral replicas to create an underwater paradise for your fish. We even have resin, ceramic, and aerating ornaments as well as submersible colored lights to add visual appeal to your aquarium.

You won’t find a selection this extensive at any other online retailer. And with our great sale prices, we make it easy to decorate your tank from top to bottom without going over budget. Browse our collection today to find the aquarium decorations you’ve been searching for.
  • Marina Micro LED Light Set
    Hagen Micro LED Lights White LED Light Set, Submersible fresh or saltwater aquarium lights at an affordable price

    Regular Price: USD 15.99

    Sale Price USD 12.49

    Regular Price: USD 15.99

    Sale Price USD 12.49

  • Underwater Treasures Rock Valley - Large
    • Incredibly detailed decoration enhances your aquarium
    • Makes a great stress-free retreat for smaller fish!
    • Expertly hand crafted and painted
    • Made using only the highest quality materials
    • Non-toxic - safe for freshwater and saltwater aquariums

    Regular Price: USD 42.99

    Sale Price USD 36.99

    Regular Price: USD 42.99

    Sale Price USD 36.99

  • Underwater Treasures Rock Valley - Small
    • Incredibly detailed decoration enhances your aquarium
    • Makes a great stress-free retreat for smaller fish!
    • Expertly hand crafted and painted
    • Made using only the highest quality materials
    • Non-toxic - safe for freshwater and saltwater aquariums

    Regular Price: USD 35.99

    Sale Price USD 29.99

    Regular Price: USD 35.99

    Sale Price USD 29.99

  • Stalactite - Large
    • Incredibly detailed decoration enhances your aquarium
    • Makes a great stress-free retreat for smaller fish!
    • Expertly hand crafted and painted
    • Made using only the highest quality materials
    • Non-toxic - safe for freshwater and saltwater aquariums

    Regular Price: USD 17.99

    Sale Price USD 14.99

    Regular Price: USD 17.99

    Sale Price USD 14.99

  • Stalactite - Small
    • Incredibly detailed decoration enhances your aquarium
    • Makes a great stress-free retreat for smaller fish!
    • Expertly hand crafted and painted
    • Made using only the highest quality materials
    • Non-toxic - safe for freshwater and saltwater aquariums

    Regular Price: USD 11.99

    Sale Price USD 9.99

    Regular Price: USD 11.99

    Sale Price USD 9.99

  • Underwater Treasures Stone Peaks - Style A
    • Incredibly detailed decoration enhances your aquarium
    • Makes a great stress-free retreat for smaller fish!
    • Expertly hand crafted and painted
    • Made using only the highest quality materials
    • Non-toxic - safe for freshwater and saltwater aquariums

    Regular Price: USD 39.99

    Sale Price USD 32.99

    Regular Price: USD 39.99

    Sale Price USD 32.99

  • Underwater Treasures Stone Peaks - Style C
    • Incredibly detailed decoration enhances your aquarium
    • Makes a great stress-free retreat for smaller fish!
    • Expertly hand crafted and painted
    • Made using only the highest quality materials
    • Non-toxic - safe for freshwater and saltwater aquariums

    Regular Price: USD 41.99

    Sale Price USD 36.99

    Regular Price: USD 41.99

    Sale Price USD 36.99

  • Underwater Treasures Stone Peaks - Style B
    • Incredibly detailed decoration enhances your aquarium
    • Makes a great stress-free retreat for smaller fish!
    • Expertly hand crafted and painted
    • Made using only the highest quality materials
    • Non-toxic - safe for freshwater and saltwater aquariums

    Regular Price: USD 51.99

    Sale Price USD 44.99

    Regular Price: USD 51.99

    Sale Price USD 44.99

  • Sunken Tree - Style A
    • Incredibly detailed decoration enhances your aquarium
    • Makes a great stress-free retreat for smaller fish!
    • Expertly hand crafted and painted
    • Made using only the highest quality materials
    • Non-toxic - safe for freshwater and saltwater aquariums

    Regular Price: USD 39.99

    Sale Price USD 34.99

    Regular Price: USD 39.99

    Sale Price USD 34.99

  • Sunken Tree - Style A
    • Incredibly detailed decoration enhances your aquarium
    • Makes a great stress-free retreat for smaller fish!
    • Expertly hand crafted and painted
    • Made using only the highest quality materials
    • Non-toxic - safe for freshwater and saltwater aquariums

    Regular Price: USD 59.99

    Sale Price USD 49.99

    Regular Price: USD 59.99

    Sale Price USD 49.99

  • Underwater Treasures Sunken Tree - Style B
    • Incredibly detailed decoration enhances your aquarium
    • Makes a great stress-free retreat for smaller fish!
    • Expertly hand crafted and painted
    • Made using only the highest quality materials
    • Non-toxic - safe for freshwater and saltwater aquariums

    Regular Price: USD 62.99

    Sale Price USD 52.99

    Regular Price: USD 62.99

    Sale Price USD 52.99

  • Sunken Tree - Style C
    • Incredibly detailed decoration enhances your aquarium
    • Makes a great stress-free retreat for smaller fish!
    • Expertly hand crafted and painted
    • Made using only the highest quality materials
    • Non-toxic - safe for freshwater and saltwater aquariums

    Regular Price: USD 55.99

    Sale Price USD 48.99

    Regular Price: USD 55.99

    Sale Price USD 48.99

  • Underwater Treasures Sword Grass Scene - 7.5"
    • Created with non-toxic materials
    • For a freshwater or saltwater tank
    • A very attractive piece for a tank
    • Easily contrasted to any aquarium
    • Sits nice at the bottom of the tank

    Regular Price: USD 6.99

    Sale Price USD 5.99

    Regular Price: USD 6.99

    Sale Price USD 5.99

  • Underwater Treasures Sword Grass Scene - 5"
    • Created with non-toxic materials
    • For a freshwater or saltwater tank
    • A very attractive piece for a tank
    • Easily contrasted to any aquarium
    • Sits nice at the bottom of the tank

    Regular Price: USD 2.99

    Sale Price USD 1.99

    Regular Price: USD 2.99

    Sale Price USD 1.99

  • Underwater Treasures Weeping Fern - Green - 6"
    Underwater Treasures plants will make an excellent and exciting addition to your aquarium! Life-like underwater movement and vivid coloration. Safe for use in both freshwater and saltwater aquariums.

    Regular Price: USD 3.49

    Sale Price USD 2.49

    Regular Price: USD 3.49

    Sale Price USD 2.49

  • Underwater Treasures Weeping Fern - Olive Green - 6"
    Underwater Treasures plants will make an excellent and exciting addition to your aquarium! Life-like underwater movement and vivid coloration. Safe for use in both freshwater and saltwater aquariums.

    Regular Price: USD 3.49

    Sale Price USD 2.49

    Regular Price: USD 3.49

    Sale Price USD 2.49

  • Penn Plax Action-Air Treasure Chest - Small
    Add the excitement of action to any home aquarium with Penn Plax Action-Air Aerating Plastic Ornaments. Simple to install, these ornaments will require an appropriately sized air pump, as well as a pressure control valve for proper functionality.

    Regular Price: USD 5.99

    Sale Price USD 4.99

    Regular Price: USD 5.99

    Sale Price USD 4.99

  • Penn Plax Action-Air Rice Mill
    Add the excitement of action to any home aquarium with Penn Plax Action-Air Aerating Plastic Ornaments. Simple to install, these ornaments will require an appropriately sized air pump, as well as a pressure control valve for proper functionality.
    USD 6.99
    USD 6.99
  • Penn Plax Action-Air Diver with Hose
    Add the excitement of action to any home aquarium with Penn Plax Action-Air Aerating Plastic Ornaments. Simple to install, these ornaments will require an appropriately sized air pump, as well as a pressure control valve for proper functionality.

    Regular Price: USD 5.99

    Sale Price USD 4.99

    Regular Price: USD 5.99

    Sale Price USD 4.99

  • Penn Plax Action-Air Giant Clam
    Add the excitement of action to any home aquarium with Penn Plax Action-Air Aerating Plastic Ornaments. Simple to install, these ornaments will require an appropriately sized air pump, as well as a pressure control valve for proper functionality.

    Regular Price: USD 6.99

    Sale Price USD 5.99

    Regular Price: USD 6.99

    Sale Price USD 5.99

  • Penn Plax Action-Air Split Shipwreck
    Add the excitement of action to any home aquarium with Penn Plax Action-Air Aerating Plastic Ornaments. Simple to install, these ornaments will require an appropriately sized air pump, as well as a pressure control valve for proper functionality.

    Regular Price: USD 10.99

    Sale Price USD 9.99

    Regular Price: USD 10.99

    Sale Price USD 9.99

  • Penn Plax Action-Air Half Shipwreck
    Add the excitement of action to any home aquarium with Penn Plax Action-Air Aerating Plastic Ornaments. Simple to install, these ornaments will require an appropriately sized air pump, as well as a pressure control valve for proper functionality.

    Regular Price: USD 5.99

    Sale Price USD 5.39

    Regular Price: USD 5.99

    Sale Price USD 5.39

  • Carib Sea Reef Rock - 50 lb
    A great addition to fish or reef tanks. Actual petrified coral! Reef rock retains excellent coral texture and is ideal for use as an economical base rock on which to attach invertebrates such as anemones, soft and hard corals, etc.
    USD 65.47
    USD 65.47
  • Penn Plax Action-Air Tropical Clam
    Add the excitement of action to any home aquarium with Penn Plax Action-Air Aerating Plastic Ornaments. Simple to install, these ornaments will require an appropriately sized air pump, as well as a pressure control valve for proper functionality.
    USD 4.99
    USD 4.99
  • Penn Plax Action-Air Skeleton at the Wheel
    Add the excitement of action to any home aquarium with Penn Plax Action-Air Aerating Plastic Ornaments. Simple to install, these ornaments will require an appropriately sized air pump, as well as a pressure control valve for proper functionality.

    Regular Price: USD 11.99

    Sale Price USD 9.99

    Regular Price: USD 11.99

    Sale Price USD 9.99

  • Penn Plax Action-Air Barrel of Jewels
    Add the excitement of action to any home aquarium with Penn Plax Action-Air Aerating Plastic Ornaments. Simple to install, these ornaments will require an appropriately sized air pump, as well as a pressure control valve for proper functionality.

    Regular Price: USD 5.99

    Sale Price USD 4.99

    Regular Price: USD 5.99

    Sale Price USD 4.99

  • Penn Plax Action-Air Skeleton with Jug & Treasure Chest
    Add the excitement of action to any home aquarium with Penn Plax Action-Air Aerating Plastic Ornaments. Simple to install, these ornaments will require an appropriately sized air pump, as well as a pressure control valve for proper functionality.
    USD 9.99
    USD 9.99
  • Underwater Treasures Orange Moneywort - 2.5"
    • 100% Safe for Fresh and Saltwater Aquariums, and Terrariums too!!
    • Made with non-toxic materials
    • Adding artificial plants to your aquarium increases the overall surface area for biological water filtering bacteria, improving the overall health of your tank!!!

    Regular Price: USD 0.99

    Sale Price USD 0.69

    Regular Price: USD 0.99

    Sale Price USD 0.69

  • Underwater Treasures Green Moneywort - 2.5"
    • 100% Safe for Fresh and Saltwater Aquariums, and Terrariums too!!
    • Made with non-toxic materials
    • Adding artificial plants to your aquarium increases the overall surface area for biological water filtering bacteria, improving the overall health of your tank!!!

    Regular Price: USD 0.99

    Sale Price USD 0.69

    Regular Price: USD 0.99

    Sale Price USD 0.69

  • Underwater Treasures Diandra - 6"
    • 100% Safe for Fresh and Saltwater Aquariums, and Terrariums too!!
    • Made with non-toxic materials

    Regular Price: USD 1.99

    Sale Price USD 1.39

    Regular Price: USD 1.99

    Sale Price USD 1.39

  • Underwater Treasures Pink Tipped Cardamine - 6"
    • 100% Safe for Fresh and Saltwater Aquariums, and Terrariums too!!
    • Made with non-toxic materials
    • Adding artificial plants to your aquarium increases the overall surface area for biological water filtering bacteria, improving the overall health of your tank!!!

    Regular Price: USD 1.99

    Sale Price USD 1.39

    Regular Price: USD 1.99

    Sale Price USD 1.39

  • Underwater Treasures Orange Cabomba - 6"
    • 100% Safe for Fresh and Saltwater Aquariums, and Terrariums too!!
    • Made with non-toxic materials
    • Adding artificial plants to your aquarium increases the overall surface area for biological water filtering bacteria, improving the overall health of your tank!!!

    Regular Price: USD 1.99

    Sale Price USD 1.39

    Regular Price: USD 1.99

    Sale Price USD 1.39

  • Underwater Treasures White Tipped Cardamine - 6"
    • 100% Safe for Fresh and Saltwater Aquariums, and Terrariums too!!
    • Made with non-toxic materials
    • Adding artificial plants to your aquarium increases the overall surface area for biological water filtering bacteria, improving the overall health of your tank!!!

    Regular Price: USD 1.99

    Sale Price USD 1.39

    Regular Price: USD 1.99

    Sale Price USD 1.39

  • Underwater Treasures Red Ludwigia - 10"
    • 100% Safe for Fresh and Saltwater Aquariums, and Terrariums too!!
    • Made with non-toxic materials
    • Adding artificial plants to your aquarium increases the overall surface area for biological water filtering bacteria, improving the overall health of your tank!!!

    Regular Price: USD 2.99

    Sale Price USD 1.99

    Regular Price: USD 2.99

    Sale Price USD 1.99

  • Underwater Treasures Cabomba - 10"
    • 100% Safe for Fresh and Saltwater Aquariums, and Terrariums too!!
    • Made with non-toxic materials

    Regular Price: USD 2.99

    Sale Price USD 1.99

    Regular Price: USD 2.99

    Sale Price USD 1.99

  • Underwater Treasures Green Moneywort - 10"
    • 100% Safe for Fresh and Saltwater Aquariums, and Terrariums too!!
    • Made with non-toxic materials
    • Adding artificial plants to your aquarium increases the overall surface area for biological water filtering bacteria, improving the overall health of your tank!!!

    Regular Price: USD 2.99

    Sale Price USD 1.99

    Regular Price: USD 2.99

    Sale Price USD 1.99

  • Underwater Treasures Orange Cardamine - 10"
    • 100% Safe for Fresh and Saltwater Aquariums, and Terrariums too!!
    • Made with non-toxic materials
    • Adding artificial plants to your aquarium increases the overall surface area for biological water filtering bacteria, improving the overall health of your tank!!!

    Regular Price: USD 2.99

    Sale Price USD 1.99

    Regular Price: USD 2.99

    Sale Price USD 1.99

  • Underwater Treasures White Tipped Cardamine - 10"
    • 100% Safe for Fresh and Saltwater Aquariums, and Terrariums too!!
    • Made with non-toxic materials
    • Adding artificial plants to your aquarium increases the overall surface area for biological water filtering bacteria, improving the overall health of your tank!!!

    Regular Price: USD 2.99

    Sale Price USD 1.99

    Regular Price: USD 2.99

    Sale Price USD 1.99

  • Underwater Treasures Red Ludwigia - 12"
    • 100% Safe for Fresh and Saltwater Aquariums, and Terrariums too!!
    • Made with non-toxic materials
    • Adding artificial plants to your aquarium increases the overall surface area for biological water filtering bacteria, improving the overall health of your tank!!!

    Regular Price: USD 3.49

    Sale Price USD 2.99

    Regular Price: USD 3.49

    Sale Price USD 2.99

  • Underwater Treasures Diandra - 12"
    • 100% Safe for Fresh and Saltwater Aquariums, and Terrariums too!!
    • Made with non-toxic materials

    Regular Price: USD 3.49

    Sale Price USD 2.49

    Regular Price: USD 3.49

    Sale Price USD 2.49

  • Underwater Treasures Green Moneywort - 12"
    • 100% Safe for Fresh and Saltwater Aquariums, and Terrariums too!!
    • Made with non-toxic materials
    • Adding artificial plants to your aquarium increases the overall surface area for biological water filtering bacteria, improving the overall health of your tank!!!

    Regular Price: USD 3.49

    Sale Price USD 2.49

    Regular Price: USD 3.49

    Sale Price USD 2.49

  • Underwater Treasures Orange Cardamine - 12"
    • 100% Safe for Fresh and Saltwater Aquariums, and Terrariums too!!
    • Made with non-toxic materials
    • Adding artificial plants to your aquarium increases the overall surface area for biological water filtering bacteria, improving the overall health of your tank!!!

    Regular Price: USD 3.49

    Sale Price USD 2.99

    Regular Price: USD 3.49

    Sale Price USD 2.99

  • Underwater Treasures White Tipped Cardamine - 12"
    • 100% Safe for Fresh and Saltwater Aquariums, and Terrariums too!!
    • Made with non-toxic materials
    • Adding artificial plants to your aquarium increases the overall surface area for biological water filtering bacteria, improving the overall health of your tank!!!

    Regular Price: USD 3.49

    Sale Price USD 2.99

    Regular Price: USD 3.49

    Sale Price USD 2.99

  • Underwater Treasures Red Ludwigia - 16"
    • 100% Safe for Fresh and Saltwater Aquariums, and Terrariums too!!
    • Made with non-toxic materials
    • Adding artificial plants to your aquarium increases the overall surface area for biological water filtering bacteria, improving the overall health of your tank!!!

    Regular Price: USD 4.49

    Sale Price USD 3.99

    Regular Price: USD 4.49

    Sale Price USD 3.99

  • Underwater Treasures Diandra - 16"
    • 100% Safe for Fresh and Saltwater Aquariums, and Terrariums too!!
    • Made with non-toxic materials
    • Adding artificial plants to your terrariums will help reduce stress on your reptile or amphibian by providing an environment full of lush plant growth which they will use for shade or cover
    • More plants means a more natural and aesthetically pleasing display in your aquarium or terrarium

    Regular Price: USD 4.99

    Sale Price USD 3.49

    Regular Price: USD 4.99

    Sale Price USD 3.49

  • Underwater Treasures Green/Orange Cardamine - 16"
    • 100% Safe for Fresh and Saltwater Aquariums, and Terrariums too!!
    • Made with non-toxic materials
    • Adding artificial plants to your aquarium increases the overall surface area for biological water filtering bacteria, improving the overall health of your tank!!!

    Regular Price: USD 4.49

    Sale Price USD 4.04

    Regular Price: USD 4.49

    Sale Price USD 4.04

  • Underwater Treasures White Tipped Cardamine - 16"
    • 100% Safe for Fresh and Saltwater Aquariums, and Terrariums too!!
    • Made with non-toxic materials
    • Adding artificial plants to your aquarium increases the overall surface area for biological water filtering bacteria, improving the overall health of your tank!!!

    Regular Price: USD 4.49

    Sale Price USD 3.99

    Regular Price: USD 4.49

    Sale Price USD 3.99

  • Underwater Treasures Green Moneywort - 16"
    • 100% Safe for Fresh and Saltwater Aquariums, and Terrariums too!!
    • Made with non-toxic materials
    • Adding artificial plants to your aquarium increases the overall surface area for biological water filtering bacteria, improving the overall health of your tank!!!

    Regular Price: USD 4.49

    Sale Price USD 3.49

    Regular Price: USD 4.49

    Sale Price USD 3.49

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