🚀 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
P6,529
CaribSea Aquatics Life Rock Display Box, 20 lb

CaribSea Aquatics Life Rock Display Box, 20 lb

4.5
P10,509
Carib Sea ACS00370 South Sea Base Rock for Aquarium, 40-Pound

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

4.6
P1,583
Carib SeaACS00020 Aragonite Reef Sand for Aquarium, 15-Pound

Carib SeaACS00020 Aragonite Reef Sand for Aquarium, 15-Pound

4.3
P2,719
Caribsea Life Rock, 40-Pound

Caribsea Life Rock, 40-Pound

4.3
P7,899
CaribSea Aragonite Aquarium Sand, 10 lbs., Tan

CaribSea Aragonite Aquarium Sand, 10 lbs., Tan

4.5
P1,906
CaribSea Aquatics Betta Leaf Indian Almond Leaf 3 Pk

CaribSea Aquatics Betta Leaf Indian Almond Leaf 3 Pk

P183
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
P3,939
Carib SeaArag-Alive Fiji Aquarium Sand, 10-Pound, Pink

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

4.7
P4,789
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
P1,063
CaribSea Purple Up Algae Accelerator, 16-Ounce

CaribSea Purple Up Algae Accelerator, 16-Ounce

4.4
P494
Caribsea Liferock 10lb Box Marine Rock

Caribsea Liferock 10lb Box Marine Rock

5.0
P6,599
Caribsea Moonlight Sand for Freshwater Aquariums 20lb

Caribsea Moonlight Sand for Freshwater Aquariums 20lb

4.5
P2,569
Carib Sea Arag-Alive Special Grade Sand, 20 lbs.

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

4.7
FREE
Carib Sea Aquatics Quart Frag Zone, 1.5 lb

Carib Sea Aquatics Quart Frag Zone, 1.5 lb

4.3
P2,709
Carib Sea Arag-Alive 20 lb Fiji Pink Sand

Carib Sea Arag-Alive 20 lb Fiji Pink Sand

4.7
P9,679
Carib SeaACS00120 Crushed Coral for Aquarium, 15-Pound

Carib SeaACS00120 Crushed Coral for Aquarium, 15-Pound

4.3
P5,949
Carib SeaACS00020 Aragonite Reef Sand for Aquarium, 15-Pound

Carib SeaACS00020 Aragonite Reef Sand for Aquarium, 15-Pound

4.0
P799
Carib Sea Aragonite Aquarium Sand 10 lbs.

Carib Sea Aragonite Aquarium Sand 10 lbs.

4.3
P2,959
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
P2,959
CaribSea Arag-Alive 20 lb Fiji Pink Sand

CaribSea Arag-Alive 20 lb Fiji Pink Sand

4.7
P6,459
Carib SeaArag-Alive Substrate Special Grade Reef Sand, 10 lb.

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

4.4
P3,599
Caribsea Arag-Alive Fiji Aquarium Sand, 10-Pound, Pink

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

4.7
P3,889
Carib Sea Aquatics Quart Frag Zone, 1.5 lb

Carib Sea Aquatics Quart Frag Zone, 1.5 lb

4.2
P1,709
Carib Sea Aragonite Aquarium Sand 10 lbs.

Carib Sea Aragonite Aquarium Sand 10 lbs.

4.3
P4,729
Carib Sea Arag-Alive Natural Reef Aquarium Gravel 16 lbs.

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

4.4
P5,659
Carib SeaCoraline Aquarium Gravel, 20 lbs.

Carib SeaCoraline Aquarium Gravel, 20 lbs.

4.6
P5,659
Carib Sea ACS00370 South Sea Base Rock for Aquarium, 40-Pound

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

4.6
P5,859
Carib Sea ACS00110 Crushed Coral for Aquarium, 10-Pound

Carib Sea ACS00110 Crushed Coral for Aquarium, 10-Pound

4.7
P3,569
Exotica Dragon Stone Freshwater Rock 25lb

Exotica Dragon Stone Freshwater Rock 25lb

P778
CaribSea Aquatics Quart Frag Zone, 1.5 lb

CaribSea Aquatics Quart Frag Zone, 1.5 lb

4.2
P1,929
Caribsea Super Naturals Aquarium Sand, 20-Pound, Torpedo Beach

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

4.6
P6,749
Caribsea Life Rock Arches for Aquariums

Caribsea Life Rock Arches for Aquariums

3.9
P12,609
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

P4,839
Carib Sea ACS00150 Crushed Coral for Aquarium, 40-Pound

Carib Sea ACS00150 Crushed Coral for Aquarium, 40-Pound

4.6
P10,629
CaribSea Purple Up Algae Accelerator, 8-Ounce

CaribSea Purple Up Algae Accelerator, 8-Ounce

4.2
P2,359
CaribSea Purple Up Algae Accelerator, 16-Ounce

CaribSea Purple Up Algae Accelerator, 16-Ounce

4.5
P4,529
Carib Sea Original Life Rock, Medium

Carib Sea Original Life Rock, Medium

4.1
P2,279
Carib SeaACS00222 African Sahara Sand for Aquarium, 20-Pound

Carib SeaACS00222 African Sahara Sand for Aquarium, 20-Pound

4.6
P657
CaribSea Arag-Alive Special Grade Reef Sand, 20-Pound

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

4.6
P8,949
CaribSea Arag-Alive 20-Pound Special Grade Reef Sand, Bimini Pink

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

4.4
P2,479
Carib Sea Arag-Alive Substrate, Bahamas Oolite, 20 lb.

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

4.3
P1,719
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
P411
CaribSea Purple Up Algae Accelerator, 8-Ounce

CaribSea Purple Up Algae Accelerator, 8-Ounce

4.4
P939
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
P4,099
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
P3,999
Carib SeaACS05832 Super Natural Peace River Sand for Aquari

Carib SeaACS05832 Super Natural Peace River Sand for Aquari

4.7
P993
ECO Complete Planted Substrate

ECO Complete Planted Substrate

4.1
P6,409
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
P2,379
Carib Sea(3 Pack) Purple Up Algae Accelerator, 8-Ounce

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

4.2
P3,579
Ocean Direct Natural Live Sand

Ocean Direct Natural Live Sand

4.4
P2,797
Carib SeaPurple Up Algae Accelerator, 8-Ounce

Carib SeaPurple Up Algae Accelerator, 8-Ounce

4.2
P347
Carib Sea Arag-Alive Substrate Special Grade Reef Sand, 10 lb.

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

4.3
P2,014
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
P1,786
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
P23,169
CaribSea AquaticsInstant Amazon Blackwater Solution, 8 oz

CaribSea AquaticsInstant Amazon Blackwater Solution, 8 oz

4.5
P929
Carib SeaSuper Naturals Aquarium Sand, 20-Pound, Torpedo Beach

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

4.7
P1,831
CaribSea Arag-Alive Natural Reef Aquarium Gravel, 16 lbs., Tan

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

4.3
P2,893
Carib SeaACS05820 Super Natural Moonlight Sand for Aquarium, 5-Pound

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

4.5
P430
CaribSea Aquatics ARM Reactor Media for Aquarium Treatment, 1-Gallon

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

4.5
P7,319
Carib SeaArag-Alive 20-Pound Special Grade Reef Sand, Bimini Pink

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

4.4
P2,123
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
P1,089
Carib Sea ACS00223 African Ivory Coast Sand for Aquarium, 20-Pound

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

4.6
P4,109
Carib Sea SCS00711 Reptiles Calcium Substrate Sand, 10-Pound, Desert Rose

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

4.5
P3,349
Carib Sea Purple Up Algae Accelerator, 16-Ounce

Carib Sea Purple Up Algae Accelerator, 16-Ounce

4.5
P628
Carib Sea Aquatics Jungle Indian Almond Leaf

Carib Sea Aquatics Jungle Indian Almond Leaf

3.4
P939
Carib Sea Arag-Alive Special Grade Reef Sand, 20-Pound

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

4.6
P7,309
Carib Sea INC Life Rock Shapes Natural Corral 20 LB

Carib Sea INC Life Rock Shapes Natural Corral 20 LB

4.1
P17,169
Carib Sea Super Naturals Aquarium Sand, 10 lbs, Tan

Carib Sea Super Naturals Aquarium Sand, 10 lbs, Tan

P1,643
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
P3,029
Carib Sea Life Rock, 40-Pound

Carib Sea Life Rock, 40-Pound

4.3
P23,869
Carib SeaACS00150 Crushed Coral for Aquarium, 40-Pound

Carib SeaACS00150 Crushed Coral for Aquarium, 40-Pound

4
P991
Carib 084220 No.9 Samurai Substrate Soil

Carib 084220 No.9 Samurai Substrate Soil

P2,069
Carib SeaSCS00711 Reptiles Calcium Substrate Sand, 10-Pound

Carib SeaSCS00711 Reptiles Calcium Substrate Sand, 10-Pound

4.6
P4,429
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
P782
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
P1,066
Carib Sea ACS00526 Mineral Mud Filter Media for Aquarium, 1-

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

P2,169
Caribsea Moonlight Sand for Freshwater Aquariums 20lb

Caribsea Moonlight Sand for Freshwater Aquariums 20lb

4.5
P1,711
Carib SeaEco-Complete 20-Pound Planted Aquarium, Black

Carib SeaEco-Complete 20-Pound Planted Aquarium, Black

4.6
P8,459
Carib SeaAquatics Life Rock Display Box, 20 lb

Carib SeaAquatics Life Rock Display Box, 20 lb

4.5
P4,355
Carib SeaACS05823 Super Natural Torpedo Beach Sand for Aquarium, 5-Pounds

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

4.4
P2,719
Carib Sea Florida Crushed Coral, 10 lb.

Carib Sea Florida Crushed Coral, 10 lb.

4.3
P1,281
Carib SeaACS01790 Aragamax Alive Sand for Aquarium, 10-Pound, 4 Per Case

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

P263
Caribsea Super Naturals Aquarium Sand, 50-Pound, Peace River

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

4.7
P4,699
Caribsea Arag-Alive Bahamas Oolite Aquarium Sand, 10-Pound

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

4.6
P1,340
Carib Sea Reptilite Natural Calcium Sand 10LBS

Carib Sea Reptilite Natural Calcium Sand 10LBS

4.5
P3,229
Caribsea Super Naturals Essentials Aquarium Sand, 5-Pound, Jelly Beans

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

P2,839
Carib Sea Purple Up Algae Accelerator, 8-Ounce

Carib Sea Purple Up Algae Accelerator, 8-Ounce

4.1
P1,629
Carib SeaECO COMPLETE PLANTED SUBSTRATE

Carib SeaECO COMPLETE PLANTED SUBSTRATE

4.1
P1,309
Caribsea Life Rock, 40-Pound

Caribsea Life Rock, 40-Pound

4.2
P20,459
Carib Sea ACS00529 Arm Reactor Coarse Filter Media for Aquarium, 1-Gallon

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

P2,919
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
P6,039
Carib SeaArag-Alive 20-Pound Special Grade Reef Sand, Bahamas Oolite

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

4.1
P1,779
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
P895
Carib SeaArag-Alive Substrate, Hawaiian Black, 20 lb.

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

4.7
P1,716