🚀 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.

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

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

4.6
Sh324,507
CaribSea Aquatics Life Rock Display Box, 20 lb

CaribSea Aquatics Life Rock Display Box, 20 lb

4.5
Sh1,080,279
CaribSea Eco-Complete 20-Pound Planted Aquarium, Black

CaribSea Eco-Complete 20-Pound Planted Aquarium, Black

4.7
Sh673,079
Carib SeaACS00020 Aragonite Reef Sand for Aquarium, 15-Pound

Carib SeaACS00020 Aragonite Reef Sand for Aquarium, 15-Pound

4.3
Sh278,659
Caribsea Life Rock, 40-Pound

Caribsea Life Rock, 40-Pound

4.3
Sh657,019
CaribSea Aragonite Aquarium Sand, 10 lbs., Tan

CaribSea Aragonite Aquarium Sand, 10 lbs., Tan

4.5
Sh347,384
CaribSea Aquatics Betta Leaf Indian Almond Leaf 3 Pk

CaribSea Aquatics Betta Leaf Indian Almond Leaf 3 Pk

Sh33,956
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
Sh363,839
Carib SeaArag-Alive Fiji Aquarium Sand, 10-Pound, Pink

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

4.7
Sh453,979
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
Sh213,093
Caribsea Liferock 10lb Box Marine Rock

Caribsea Liferock 10lb Box Marine Rock

5.0
Sh636,909
CaribSea Purple Up Algae Accelerator, 16-Ounce

CaribSea Purple Up Algae Accelerator, 16-Ounce

4.4
Sh101,500
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
Sh225,069
Carib Sea Aquatics Quart Frag Zone, 1.5 lb

Carib Sea Aquatics Quart Frag Zone, 1.5 lb

4.3
Sh239,619
Carib Sea Arag-Alive 20 lb Fiji Pink Sand

Carib Sea Arag-Alive 20 lb Fiji Pink Sand

4.7
Sh842,879
Carib SeaACS00120 Crushed Coral for Aquarium, 15-Pound

Carib SeaACS00120 Crushed Coral for Aquarium, 15-Pound

4.3
Sh610,539
Carib SeaACS00020 Aragonite Reef Sand for Aquarium, 15-Pound

Carib SeaACS00020 Aragonite Reef Sand for Aquarium, 15-Pound

4.0
Sh153,835
Carib Sea Aragonite Aquarium Sand 10 lbs.

Carib Sea Aragonite Aquarium Sand 10 lbs.

4.3
Sh266,699
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
Sh265,089
CaribSea Arag-Alive 20 lb Fiji Pink Sand

CaribSea Arag-Alive 20 lb Fiji Pink Sand

4.7
Sh563,449
Carib SeaArag-Alive Substrate Special Grade Reef Sand, 10 lb.

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

4.4
Sh332,349
Caribsea Arag-Alive Fiji Aquarium Sand, 10-Pound, Pink

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

4.7
Sh361,499
Carib Sea Aquatics Quart Frag Zone, 1.5 lb

Carib Sea Aquatics Quart Frag Zone, 1.5 lb

4.2
Sh136,889
Carib Sea Arag-Alive Natural Reef Aquarium Gravel 16 lbs.

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

4.4
Sh536,219
Carib Sea Aragonite Aquarium Sand 10 lbs.

Carib Sea Aragonite Aquarium Sand 10 lbs.

4.3
Sh485,419
Carib SeaCoraline Aquarium Gravel, 20 lbs.

Carib SeaCoraline Aquarium Gravel, 20 lbs.

4.6
Sh560,249
Carib Sea ACS00370 South Sea Base Rock for Aquarium, 40-Pound

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

4.6
Sh561,939
Carib Sea ACS00110 Crushed Coral for Aquarium, 10-Pound

Carib Sea ACS00110 Crushed Coral for Aquarium, 10-Pound

4.7
Sh329,269
CaribSea Aquatics Quart Frag Zone, 1.5 lb

CaribSea Aquatics Quart Frag Zone, 1.5 lb

4.2
Sh159,389
Exotica Dragon Stone Freshwater Rock 25lb

Exotica Dragon Stone Freshwater Rock 25lb

Sh152,376
Caribsea Super Naturals Aquarium Sand, 20-Pound, Torpedo Beach

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

4.6
Sh695,039
Caribsea Life Rock Arches for Aquariums

Caribsea Life Rock Arches for Aquariums

3.9
Sh1,127,529
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

Sh960,569
Carib Sea ACS00150 Crushed Coral for Aquarium, 40-Pound

Carib Sea ACS00150 Crushed Coral for Aquarium, 40-Pound

4.6
Sh1,350,949
CaribSea Purple Up Algae Accelerator, 16-Ounce

CaribSea Purple Up Algae Accelerator, 16-Ounce

4.5
Sh464,689
CaribSea Purple Up Algae Accelerator, 8-Ounce

CaribSea Purple Up Algae Accelerator, 8-Ounce

4.2
Sh203,739
Carib Sea Original Life Rock, Medium

Carib Sea Original Life Rock, Medium

4.1
Sh196,799
Carib SeaACS00222 African Sahara Sand for Aquarium, 20-Pound

Carib SeaACS00222 African Sahara Sand for Aquarium, 20-Pound

4.6
Sh136,545
Carib Sea Arag-Alive Substrate, Bahamas Oolite, 20 lb.

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

4.3
Sh309,784
CaribSea Arag-Alive 20-Pound Special Grade Reef Sand, Bimini Pink

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

4.4
Sh181,229
CaribSea Arag-Alive Special Grade Reef Sand, 20-Pound

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

4.6
Sh933,369
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
Sh85,129
CaribSea Purple Up Algae Accelerator, 8-Ounce

CaribSea Purple Up Algae Accelerator, 8-Ounce

4.4
Sh57,399
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
Sh379,749
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
Sh410,339
ECO Complete Planted Substrate

ECO Complete Planted Substrate

4.1
Sh659,919
Carib SeaACS05832 Super Natural Peace River Sand for Aquari

Carib SeaACS05832 Super Natural Peace River Sand for Aquari

4.7
Sh199,091
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
Sh206,959
Carib Sea(3 Pack) Purple Up Algae Accelerator, 8-Ounce

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

4.2
Sh328,339
Ocean Direct Natural Live Sand

Ocean Direct Natural Live Sand

4.4
Sh518,494
Carib SeaPurple Up Algae Accelerator, 8-Ounce

Carib SeaPurple Up Algae Accelerator, 8-Ounce

4.2
Sh71,372
Carib Sea Arag-Alive Substrate Special Grade Reef Sand, 10 lb.

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

4.3
Sh401,378
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
Sh331,125
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
Sh2,375,989
CaribSea AquaticsInstant Amazon Blackwater Solution, 8 oz

CaribSea AquaticsInstant Amazon Blackwater Solution, 8 oz

4.5
Sh95,729
Carib SeaSuper Naturals Aquarium Sand, 20-Pound, Torpedo Beach

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

4.7
Sh375,548
CaribSea Arag-Alive Natural Reef Aquarium Gravel, 16 lbs., Tan

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

4.3
Sh579,751
Carib SeaACS05820 Super Natural Moonlight Sand for Aquarium, 5-Pound

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

4.5
Sh88,261
CaribSea Aquatics ARM Reactor Media for Aquarium Treatment, 1-Gallon

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

4.5
Sh780,599
Carib SeaArag-Alive 20-Pound Special Grade Reef Sand, Bimini Pink

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

4.4
Sh435,424
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
Sh73,669
Carib Sea ACS00223 African Ivory Coast Sand for Aquarium, 20-Pound

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

4.6
Sh533,189
Carib Sea SCS00711 Reptiles Calcium Substrate Sand, 10-Pound, Desert Rose

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

4.5
Sh257,139
Carib Sea Purple Up Algae Accelerator, 16-Ounce

Carib Sea Purple Up Algae Accelerator, 16-Ounce

4.5
Sh115,912
Carib Sea Aquatics Jungle Indian Almond Leaf

Carib Sea Aquatics Jungle Indian Almond Leaf

3.4
Sh96,659
Carib Sea Arag-Alive Special Grade Reef Sand, 20-Pound

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

4.6
Sh752,519
Carib Sea INC Life Rock Shapes Natural Corral 20 LB

Carib Sea INC Life Rock Shapes Natural Corral 20 LB

4.1
Sh1,764,069
Carib Sea Super Naturals Aquarium Sand, 10 lbs, Tan

Carib Sea Super Naturals Aquarium Sand, 10 lbs, Tan

Sh302,722
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
Sh270,069
Carib Sea Life Rock, 40-Pound

Carib Sea Life Rock, 40-Pound

4.3
Sh2,710,349
Carib SeaACS00150 Crushed Coral for Aquarium, 40-Pound

Carib SeaACS00150 Crushed Coral for Aquarium, 40-Pound

4
Sh203,274
Carib 084220 No.9 Samurai Substrate Soil

Carib 084220 No.9 Samurai Substrate Soil

Sh443,519
Carib SeaSCS00711 Reptiles Calcium Substrate Sand, 10-Pound

Carib SeaSCS00711 Reptiles Calcium Substrate Sand, 10-Pound

4.6
Sh454,629
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
Sh160,587
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
Sh198,240
Carib Sea ACS00526 Mineral Mud Filter Media for Aquarium, 1-

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

Sh475,319
Carib SeaAquatics Life Rock Display Box, 20 lb

Carib SeaAquatics Life Rock Display Box, 20 lb

4.5
Sh893,404
Carib SeaEco-Complete 20-Pound Planted Aquarium, Black

Carib SeaEco-Complete 20-Pound Planted Aquarium, Black

4.6
Sh870,419
Caribsea Moonlight Sand for Freshwater Aquariums 20lb

Caribsea Moonlight Sand for Freshwater Aquariums 20lb

4.5
Sh342,878
Carib SeaACS05823 Super Natural Torpedo Beach Sand for Aquarium, 5-Pounds

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

4.4
Sh278,959
Carib Sea Florida Crushed Coral, 10 lb.

Carib Sea Florida Crushed Coral, 10 lb.

4.3
Sh238,118
Carib SeaACS01790 Aragamax Alive Sand for Aquarium, 10-Pound, 4 Per Case

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

Sh53,796
Caribsea Super Naturals Aquarium Sand, 50-Pound, Peace River

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

4.7
Sh481,879
Caribsea Arag-Alive Bahamas Oolite Aquarium Sand, 10-Pound

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

4.6
Sh246,281
Carib Sea Reptilite Natural Calcium Sand 10LBS

Carib Sea Reptilite Natural Calcium Sand 10LBS

4.5
Sh331,669
Caribsea Super Naturals Essentials Aquarium Sand, 5-Pound, Jelly Beans

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

Sh620,489
Carib Sea Purple Up Algae Accelerator, 8-Ounce

Carib Sea Purple Up Algae Accelerator, 8-Ounce

4.1
Sh128,449
Carib SeaECO COMPLETE PLANTED SUBSTRATE

Carib SeaECO COMPLETE PLANTED SUBSTRATE

4.1
Sh268,598
Carib Sea ACS00529 Arm Reactor Coarse Filter Media for Aquarium, 1-Gallon

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

Sh747,779
Caribsea Life Rock, 40-Pound

Caribsea Life Rock, 40-Pound

4.2
Sh1,992,249
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
Sh580,709
Carib SeaArag-Alive 20-Pound Special Grade Reef Sand, Bahamas Oolite

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

4.1
Sh362,793
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
Sh183,181
Carib SeaArag-Alive Substrate, Hawaiian Black, 20 lb.

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

4.7
Sh340,307