Deals on fish & aquariums

Build your most beautiful underwater ecosystem yet

Fish Shops

(54 results)
Marineland Open Glass Aquarium
3 sizes
(143)
$17.99 - $159.99
Buy any open glass tank, Get 20% off a glass hood
Marineland® Simple Modern LED Aquarium & Stand Ensemble - 45 Gallon
(137)
$299.99
$599.99
Online Only! Save 20% on select tanks, terrariums and habitats
Marineland® Modern LED Aquarium & Stand Ensemble - 60 Gallon
(503)
$449.99
$699.99
Online Only! Save 20% on select tanks, terrariums and habitats
Marineland Penguin PRO 375 Aquarium Power Filter
(207)
$64.89
$69.99
Save 20% Marineland Filters w/code FILTER20
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Marineland® Emperor® PRO 450 Aquarium Filter
(100)
$94.79
$99.99
Save 20% Marineland Filters w/code FILTER20
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Marineland® Penguin Rite Size C Power Filter Cartridges
(92)
$19.99
$23.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Marineland® C360 Aquarium Canister Filter
(383)
$216.29
$219.99
Save 20% Marineland Filters w/code FILTER20
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Marineland® Magniflow C250 Aquarium Canister Filter - 55G
(244)
$155.59
$169.99
Save 20% Marineland Filters w/code FILTER20
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Marineland® Penguin PRO 275 Aquarium Power Filter
(225)
$51.29
$54.99
Save 20% Marineland Filters w/code FILTER20
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Marineland® Polishing Internal Filter
(227)
$92.89
$99.99
Save 20% Marineland Filters w/code FILTER20
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Marineland® Rite Size Emperor Power Filter Cartridge
(54)
$13.19
$15.59
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Marineland® Silicone Aquarium Sealant
(54)
$5.39
$7.19
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Marineland® Black Diamond Carbon
(26)
$9.99
$24.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Marineland LED Aquarium Kit 5 Gal
(0)
$74.49
$114.79
Save 35% On Your First Autoship Order!
Sign In & Enjoy Free Shipping Over $49
Marineland Magnum 200 Polishing Internal Canister Filter
(20)
$59.99
$69.99
Save 20% Marineland Filters w/code FILTER20
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Marineland Penguin PRO 125 Aquarium Power Filter
(189)
$33.99
$34.99
Save 20% Marineland Filters w/code FILTER20
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Marineland Penguin PRO 175 Aquarium Power Filter
(194)
$43.19
$44.99
Save 20% Marineland Filters w/code FILTER20
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Marineland® Visi-Therm Submersible Aquarium Heater
(239)
$32.97 - $41.49
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Marineland® Hidden LED Lighting System
(126)
$42.59
$49.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Marineland®  LED Aquarium Light Bar
(261)
$33.49
$46.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Marineland® Carbon Filter Bags
(47)
$8.59
$12.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Marineland® Penguin Rite Size B Power Filter Cartridges
(56)
$17.59
$19.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Marineland Biological Media Pro Baskets
(0)
$21.09
Save 35% On Your First Autoship Order!
Sign In & Enjoy Free Shipping Over $49
Marineland AP 300 Aquarium Air Pump
(0)
$113.19
Save 35% On Your First Autoship Order!
Sign In & Enjoy Free Shipping Over $49
Marineland Reusable Media Bags 4 ct
(0)
$4.99
Save 35% On Your First Autoship Order!
Sign In & Enjoy Free Shipping Over $49
Marineland Magniflow Canister Filter
(0)
$119.99
$158.59
Save 20% Marineland Filters w/code FILTER20
Save 35% On Your First Autoship Order!
+ 1 more
Marineland Adjustable LED Light
(0)
$199.99
$240.49
Sign In & Enjoy Free Shipping Over $49
Marineland Contour Aquarium Kit 3 Gal
(60)
$59.99
$96.99
Save 35% On Your First Autoship Order!
Sign In & Enjoy Free Shipping Over $49
Marineland Maxi Jet 900 Water Pump
(0)
$40.09
Save 35% On Your First Autoship Order!
Sign In & Enjoy Free Shipping Over $49
Marineland® Magnum 200 Polishing Internal Filter Floss Sleeve
(0)
$4.79
$4.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Marineland® 2-in-1 Bio-Foam & Pre-Filter - Fits 375 to 450
(26)
$5.79
$6.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Marineland® 2-in-1 Bio-Foam & Pre-Filter - Fits 125 to 275
(26)
$6.29
$7.59
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Marineland® Maxi-Jet® 1200 Aquarium Water Pump and Power Head
(97)
$19.89
$39.99
Sign In & Enjoy Free Shipping Over $49
Marineland® C360 Polishing Filter Pads
(6)
$6.49
$6.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Marineland® C160/220 Polishing Filter Pads
(14)
$3.99
$5.09
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Marineland® C360 Filter Foam
(2)
$3.99
$12.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Marineland® Bio-Filter Balls
(4)
$4.99
$6.99
Save 35% On Your First Autoship Order!
Sign In & Enjoy Free Shipping Over $49
Marineland® Filter Foam
(2)
$2.89
$8.99
Save 35% On Your First Autoship Order!
Sign In & Enjoy Free Shipping Over $49
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Fish Supplies  

With a wide range of supplies, beginners to experienced aquarists are sure to be able to find supplies to create a thriving underwater world. From setting up your first fish tank to finding more specialty products like betta fish tanks, or goldfish supplies, and more, we have got everything you need.  What Do You Need to Own a Fish? When starting a fishkeeping journey there are some essential items needed for your aquatic pet’s comfort as well as health.  PetSmart’s selection includes: 
  • Fish tanks: Available in various sizes to suit your home and the needs of your fish. 
  • Betta tanks: Tailored designs for the unique needs of betta fish. 
  • Goldfish supplies: Food, filters, and tank accessories for your goldfish. 
  • Tropical supplies: Heaters, décor, and care essentials for tropical fish species. 
  • Fish feeders: Automated or manual options to maintain consistent feeding schedules. 
Creating the Perfect Aquarium 
PetSmart is here to provide everything you need for success during the exciting process of building an aquarium: 
  • Fish tanks in a variety of sizes and styles. 
  • High-quality fish aquariums with durable materials and filtration systems. 
  • Décor and substrate to design a visually appealing underwater home. 
Dive into Fishkeeping 
Whether you're caring for a single betta fish or creating a multi-species aquarium, PetSmart has the products and expertise to make your aquatic adventure a success. Visit us today to explore the best in betta fish tanks, goldfish supplies, and everything in between. Make your aquarium dreams a reality with PetSmart, your trusted fish store for all your aquatic needs! 
Frequently Asked Questions (FAQs) 
What do I need to own a fish? 
At a minimum, you’ll need a tank, water conditioner, a filter, fish food, and a heater for tropical species. Additional items like décor and plants can enhance your fish's environment. 
What supplies do I need to start a fish tank? 
You’ll need a tank, substrate, water conditioner, filter, thermometer, heater (for tropical species), and test kits to monitor water quality. 
How often should I feed fish? 
Most fish should be fed once or twice daily in small portions they can consume in a few minutes.