🚀 We’re in Beta!

Meet our new design. Everything works as usual, but if anything feels off, give us a ping.

Experience Carib Sea’s Heritage of Excellence

From timeless classics to modern breakthroughs—discover what Carib Sea has in store.

CaribSea Eco-Complete 20-Pound Planted Aquarium, Black

CaribSea Eco-Complete 20-Pound Planted Aquarium, Black

4.7
$794
Carib Sea ACS00370 South Sea Base Rock for Aquarium, 40-Pound

Carib Sea ACS00370 South Sea Base Rock for Aquarium, 40-Pound

4.6
$190
CaribSea Aquatics Life Rock Display Box, 20 lb

CaribSea Aquatics Life Rock Display Box, 20 lb

4.5
$1,279
Caribsea Life Rock, 40-Pound

Caribsea Life Rock, 40-Pound

4.3
$959
Carib SeaACS00020 Aragonite Reef Sand for Aquarium, 15-Pound

Carib SeaACS00020 Aragonite Reef Sand for Aquarium, 15-Pound

4.3
$332
CaribSea Aragonite Aquarium Sand, 10 lbs., Tan

CaribSea Aragonite Aquarium Sand, 10 lbs., Tan

4.5
$234
CaribSea Aquatics Betta Leaf Indian Almond Leaf 3 Pk

CaribSea Aquatics Betta Leaf Indian Almond Leaf 3 Pk

$22
Carib Sea Super Natural Moonlight Sand for Aquarium, 5-Pound (2 Pack)

Carib Sea Super Natural Moonlight Sand for Aquarium, 5-Pound (2 Pack)

4.6
$429
Carib SeaArag-Alive Fiji Aquarium Sand, 10-Pound, Pink

Carib SeaArag-Alive Fiji Aquarium Sand, 10-Pound, Pink

4.7
$539
Carib Sea Super Natural Moonlight Sand for Aquarium, 5-Pound (2 Pack)

Carib Sea Super Natural Moonlight Sand for Aquarium, 5-Pound (2 Pack)

4.5
$130
Caribsea Liferock 10lb Box Marine Rock

Caribsea Liferock 10lb Box Marine Rock

5.0
$754
CaribSea Purple Up Algae Accelerator, 16-Ounce

CaribSea Purple Up Algae Accelerator, 16-Ounce

4.4
$60
Carib Sea Arag-Alive Special Grade Sand, 20 lbs.

Carib Sea Arag-Alive Special Grade Sand, 20 lbs.

4.7
FREE
Caribsea Moonlight Sand for Freshwater Aquariums 20lb

Caribsea Moonlight Sand for Freshwater Aquariums 20lb

4.5
$267
Carib Sea Aquatics Quart Frag Zone, 1.5 lb

Carib Sea Aquatics Quart Frag Zone, 1.5 lb

4.3
$285
Carib Sea Arag-Alive 20 lb Fiji Pink Sand

Carib Sea Arag-Alive 20 lb Fiji Pink Sand

4.7
$1,239
Carib SeaACS00120 Crushed Coral for Aquarium, 15-Pound

Carib SeaACS00120 Crushed Coral for Aquarium, 15-Pound

4.3
$729
Carib SeaACS00020 Aragonite Reef Sand for Aquarium, 15-Pound

Carib SeaACS00020 Aragonite Reef Sand for Aquarium, 15-Pound

4.0
$96
Carib Sea Aragonite Aquarium Sand 10 lbs.

Carib Sea Aragonite Aquarium Sand 10 lbs.

4.3
$313
Carib Sea ACS00529 Arm Reactor Coarse Filter Media for Aquarium, 1-Gallon

Carib Sea ACS00529 Arm Reactor Coarse Filter Media for Aquarium, 1-Gallon

4.7
$315
CaribSea Arag-Alive 20 lb Fiji Pink Sand

CaribSea Arag-Alive 20 lb Fiji Pink Sand

4.7
$824
Carib SeaArag-Alive Substrate Special Grade Reef Sand, 10 lb.

Carib SeaArag-Alive Substrate Special Grade Reef Sand, 10 lb.

4.4
$392
Caribsea Arag-Alive Fiji Aquarium Sand, 10-Pound, Pink

Caribsea Arag-Alive Fiji Aquarium Sand, 10-Pound, Pink

4.7
$426
Carib Sea Aquatics Quart Frag Zone, 1.5 lb

Carib Sea Aquatics Quart Frag Zone, 1.5 lb

4.2
$162
Carib Sea Aragonite Aquarium Sand 10 lbs.

Carib Sea Aragonite Aquarium Sand 10 lbs.

4.3
$579
Carib Sea Arag-Alive Natural Reef Aquarium Gravel 16 lbs.

Carib Sea Arag-Alive Natural Reef Aquarium Gravel 16 lbs.

4.4
$634
Carib SeaCoraline Aquarium Gravel, 20 lbs.

Carib SeaCoraline Aquarium Gravel, 20 lbs.

4.6
$659
Carib Sea ACS00370 South Sea Base Rock for Aquarium, 40-Pound

Carib Sea ACS00370 South Sea Base Rock for Aquarium, 40-Pound

4.6
$669
Carib Sea ACS00110 Crushed Coral for Aquarium, 10-Pound

Carib Sea ACS00110 Crushed Coral for Aquarium, 10-Pound

4.7
$388
CaribSea Aquatics Quart Frag Zone, 1.5 lb

CaribSea Aquatics Quart Frag Zone, 1.5 lb

4.2
$189
Exotica Dragon Stone Freshwater Rock 25lb

Exotica Dragon Stone Freshwater Rock 25lb

$93
Caribsea Life Rock Arches for Aquariums

Caribsea Life Rock Arches for Aquariums

3.9
$1,639
Caribsea Super Naturals Aquarium Sand, 20-Pound, Torpedo Beach

Caribsea Super Naturals Aquarium Sand, 20-Pound, Torpedo Beach

4.6
$819
CARIB SEA Ocean Direct Natural Live Sand 20lb 2/cs

CARIB SEA Ocean Direct Natural Live Sand 20lb 2/cs

4.3
FREE
Carib Sea ACS01790 Aragamax Alive Sand for Aquarium, 10-Pound, 4 Per Case

Carib Sea ACS01790 Aragamax Alive Sand for Aquarium, 10-Pound, 4 Per Case

NZ$669
Carib Sea ACS00150 Crushed Coral for Aquarium, 40-Pound

Carib Sea ACS00150 Crushed Coral for Aquarium, 40-Pound

4.6
$1,599
CaribSea Purple Up Algae Accelerator, 8-Ounce

CaribSea Purple Up Algae Accelerator, 8-Ounce

4.2
$242
CaribSea Purple Up Algae Accelerator, 16-Ounce

CaribSea Purple Up Algae Accelerator, 16-Ounce

4.5
$554
Carib Sea Original Life Rock, Medium

Carib Sea Original Life Rock, Medium

4.1
$233
Carib SeaACS00222 African Sahara Sand for Aquarium, 20-Pound

Carib SeaACS00222 African Sahara Sand for Aquarium, 20-Pound

4.6
$78
Carib Sea Arag-Alive Substrate, Bahamas Oolite, 20 lb.

Carib Sea Arag-Alive Substrate, Bahamas Oolite, 20 lb.

4.3
$206
CaribSea Arag-Alive Special Grade Reef Sand, 20-Pound

CaribSea Arag-Alive Special Grade Reef Sand, 20-Pound

4.6
$1,109
CaribSea Arag-Alive 20-Pound Special Grade Reef Sand, Bimini Pink

CaribSea Arag-Alive 20-Pound Special Grade Reef Sand, Bimini Pink

4.4
$267
CaribSea Rock Lock 2 Minute Cement 500g (17oz) for Corals and Rocks

CaribSea Rock Lock 2 Minute Cement 500g (17oz) for Corals and Rocks

5.0
$50
CaribSea Purple Up Algae Accelerator, 8-Ounce

CaribSea Purple Up Algae Accelerator, 8-Ounce

4.4
$68
Carib Sea ACS00940 Ocean Direct Natural Live Sand for Aquarium, 40-Pound

Carib Sea ACS00940 Ocean Direct Natural Live Sand for Aquarium, 40-Pound

4.5
$449
Sea Glass | Colored Sea Glass Mix | Sea Glass for Decoration and Craft | Plus Free Nautical eBook by Joseph Rains (Caribbean Blue)

Sea Glass | Colored Sea Glass Mix | Sea Glass for Decoration and Craft | Plus Free Nautical eBook by Joseph Rains (Caribbean Blue)

4.3
$489
ECO Complete Planted Substrate

ECO Complete Planted Substrate

4.1
$779
Carib SeaACS05832 Super Natural Peace River Sand for Aquari

Carib SeaACS05832 Super Natural Peace River Sand for Aquari

4.7
$122
Carib Sea ACS05839 Super Natural Sunset Gold Sand for Aquarium, 5-Pound

Carib Sea ACS05839 Super Natural Sunset Gold Sand for Aquarium, 5-Pound

4.5
$244
Carib Sea(3 Pack) Purple Up Algae Accelerator, 8-Ounce

Carib Sea(3 Pack) Purple Up Algae Accelerator, 8-Ounce

4.2
$390
Ocean Direct Natural Live Sand

Ocean Direct Natural Live Sand

4.4
$345
Carib SeaPurple Up Algae Accelerator, 8-Ounce

Carib SeaPurple Up Algae Accelerator, 8-Ounce

4.2
$42
Carib Sea Arag-Alive Substrate Special Grade Reef Sand, 10 lb.

Carib Sea Arag-Alive Substrate Special Grade Reef Sand, 10 lb.

4.3
$252
Carib Sea Aquatics Eco-Complete African Cichlid Zack Sand, 20-Pound, Black

Carib Sea Aquatics Eco-Complete African Cichlid Zack Sand, 20-Pound, Black

4.4
$220
Carib SeaEco-Complete African Cichlid Substrate, 20-Pound, Live Sand for Aquarium

Carib SeaEco-Complete African Cichlid Substrate, 20-Pound, Live Sand for Aquarium

4.4
$2,839
CaribSea AquaticsInstant Amazon Blackwater Solution, 8 oz

CaribSea AquaticsInstant Amazon Blackwater Solution, 8 oz

4.5
$114
Carib SeaSuper Naturals Aquarium Sand, 20-Pound, Torpedo Beach

Carib SeaSuper Naturals Aquarium Sand, 20-Pound, Torpedo Beach

4.7
$223
CaribSea Arag-Alive Natural Reef Aquarium Gravel, 16 lbs., Tan

CaribSea Arag-Alive Natural Reef Aquarium Gravel, 16 lbs., Tan

4.3
$355
Carib SeaACS05820 Super Natural Moonlight Sand for Aquarium, 5-Pound

Carib SeaACS05820 Super Natural Moonlight Sand for Aquarium, 5-Pound

4.5
$52
CaribSea Aquatics ARM Reactor Media for Aquarium Treatment, 1-Gallon

CaribSea Aquatics ARM Reactor Media for Aquarium Treatment, 1-Gallon

4.5
$919
Carib SeaArag-Alive 20-Pound Special Grade Reef Sand, Bimini Pink

Carib SeaArag-Alive 20-Pound Special Grade Reef Sand, Bimini Pink

4.4
$259
Carib SeaACS04530 Purple Up Corraline Algae Growth Accelerator for Aquarium, 4-Ounce

Carib SeaACS04530 Purple Up Corraline Algae Growth Accelerator for Aquarium, 4-Ounce

3.8
$87
Carib Sea ACS00223 African Ivory Coast Sand for Aquarium, 20-Pound

Carib Sea ACS00223 African Ivory Coast Sand for Aquarium, 20-Pound

4.6
$496
Carib Sea Purple Up Algae Accelerator, 16-Ounce

Carib Sea Purple Up Algae Accelerator, 16-Ounce

4.5
$78
Carib Sea SCS00711 Reptiles Calcium Substrate Sand, 10-Pound, Desert Rose

Carib Sea SCS00711 Reptiles Calcium Substrate Sand, 10-Pound, Desert Rose

4.5
$379
Carib Sea Aquatics Jungle Indian Almond Leaf

Carib Sea Aquatics Jungle Indian Almond Leaf

3.4
$115
Carib Sea Arag-Alive Special Grade Reef Sand, 20-Pound

Carib Sea Arag-Alive Special Grade Reef Sand, 20-Pound

4.6
$889
Carib Sea INC Life Rock Shapes Natural Corral 20 LB

Carib Sea INC Life Rock Shapes Natural Corral 20 LB

4.1
$2,099
Carib Sea Super Naturals Aquarium Sand, 10 lbs, Tan

Carib Sea Super Naturals Aquarium Sand, 10 lbs, Tan

$204
Aqua Natural Sugar White Sand 10lb Substrate for aquascaping, Aquariums, vivariums and terrariums

Aqua Natural Sugar White Sand 10lb Substrate for aquascaping, Aquariums, vivariums and terrariums

4.6
$318
Carib Sea Life Rock, 40-Pound

Carib Sea Life Rock, 40-Pound

4.3
$3,219
Carib SeaACS00150 Crushed Coral for Aquarium, 40-Pound

Carib SeaACS00150 Crushed Coral for Aquarium, 40-Pound

4
$121
Carib SeaSCS00711 Reptiles Calcium Substrate Sand, 10-Pound

Carib SeaSCS00711 Reptiles Calcium Substrate Sand, 10-Pound

4.6
$544
Carib 084220 No.9 Samurai Substrate Soil

Carib 084220 No.9 Samurai Substrate Soil

$254
Carib Sea Eco-Complete African Cichlid Substrate, 20-Pound, Live Sand for Aquarium

Carib Sea Eco-Complete African Cichlid Substrate, 20-Pound, Live Sand for Aquarium

4.6
$95
Carib Sea ACS00797 Arag Alive Hawaiian Reef for Aquarium, 20 Pound, Black

Carib Sea ACS00797 Arag Alive Hawaiian Reef for Aquarium, 20 Pound, Black

4.6
$131
Carib Sea ACS00526 Mineral Mud Filter Media for Aquarium, 1-

Carib Sea ACS00526 Mineral Mud Filter Media for Aquarium, 1-

$269
Carib SeaEco-Complete 20-Pound Planted Aquarium, Black

Carib SeaEco-Complete 20-Pound Planted Aquarium, Black

4.6
$1,029
Caribsea Moonlight Sand for Freshwater Aquariums 20lb

Caribsea Moonlight Sand for Freshwater Aquariums 20lb

4.5
$210
Carib SeaAquatics Life Rock Display Box, 20 lb

Carib SeaAquatics Life Rock Display Box, 20 lb

4.5
$532
Carib SeaACS05823 Super Natural Torpedo Beach Sand for Aquarium, 5-Pounds

Carib SeaACS05823 Super Natural Torpedo Beach Sand for Aquarium, 5-Pounds

4.4
$332
Carib Sea Florida Crushed Coral, 10 lb.

Carib Sea Florida Crushed Coral, 10 lb.

4.3
$157
Carib SeaACS01790 Aragamax Alive Sand for Aquarium, 10-Pound, 4 Per Case

Carib SeaACS01790 Aragamax Alive Sand for Aquarium, 10-Pound, 4 Per Case

$31
Caribsea Super Naturals Aquarium Sand, 50-Pound, Peace River

Caribsea Super Naturals Aquarium Sand, 50-Pound, Peace River

4.7
$574
Caribsea Arag-Alive Bahamas Oolite Aquarium Sand, 10-Pound

Caribsea Arag-Alive Bahamas Oolite Aquarium Sand, 10-Pound

4.6
$163
Carib Sea Reptilite Natural Calcium Sand 10LBS

Carib Sea Reptilite Natural Calcium Sand 10LBS

4.5
$395
Caribsea Super Naturals Essentials Aquarium Sand, 5-Pound, Jelly Beans

Caribsea Super Naturals Essentials Aquarium Sand, 5-Pound, Jelly Beans

$351
Carib Sea Purple Up Algae Accelerator, 8-Ounce

Carib Sea Purple Up Algae Accelerator, 8-Ounce

4.1
$152
Carib SeaECO COMPLETE PLANTED SUBSTRATE

Carib SeaECO COMPLETE PLANTED SUBSTRATE

4.1
$160
Carib Sea ACS00529 Arm Reactor Coarse Filter Media for Aquarium, 1-Gallon

Carib Sea ACS00529 Arm Reactor Coarse Filter Media for Aquarium, 1-Gallon

$363
Caribsea Life Rock, 40-Pound

Caribsea Life Rock, 40-Pound

4.2
$2,959
Carib Sea ACS00372 3 case South Sea Base Rock Bag for Aquarium, 10-Pound

Carib Sea ACS00372 3 case South Sea Base Rock Bag for Aquarium, 10-Pound

4.5
$694
Carib SeaArag-Alive 20-Pound Special Grade Reef Sand, Bahamas Oolite

Carib SeaArag-Alive 20-Pound Special Grade Reef Sand, Bahamas Oolite

4.1
$217
Carib Sea ACS00529 Arm Reactor Coarse Filter Media for Aquarium, 1-Gallon

Carib Sea ACS00529 Arm Reactor Coarse Filter Media for Aquarium, 1-Gallon

4.7
$108
Carib SeaArag-Alive Substrate, Hawaiian Black, 20 lb.

Carib SeaArag-Alive Substrate, Hawaiian Black, 20 lb.

4.7
$210