🚀 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
1,259 P
Carib Sea ACS00370 South Sea Base Rock for Aquarium, 40-Pound

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

4.6
959 P
CaribSea Aquatics Life Rock Display Box, 20 lb

CaribSea Aquatics Life Rock Display Box, 20 lb

4.5
2,429 P
Carib SeaACS00020 Aragonite Reef Sand for Aquarium, 15-Pound

Carib SeaACS00020 Aragonite Reef Sand for Aquarium, 15-Pound

4.3
824 P
Caribsea Life Rock, 40-Pound

Caribsea Life Rock, 40-Pound

4.3
1,899 P
CaribSea Aragonite Aquarium Sand, 10 lbs., Tan

CaribSea Aragonite Aquarium Sand, 10 lbs., Tan

4.5
1,116 P
CaribSea Aquatics Betta Leaf Indian Almond Leaf 3 Pk

CaribSea Aquatics Betta Leaf Indian Almond Leaf 3 Pk

109 P
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
849 P
Carib SeaArag-Alive Fiji Aquarium Sand, 10-Pound, Pink

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

4.7
1,109 P
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
631 P
CaribSea Purple Up Algae Accelerator, 16-Ounce

CaribSea Purple Up Algae Accelerator, 16-Ounce

4.4
299 P
Caribsea Liferock 10lb Box Marine Rock

Caribsea Liferock 10lb Box Marine Rock

5.0
1,639 P
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
659 P
Carib Sea Aquatics Quart Frag Zone, 1.5 lb

Carib Sea Aquatics Quart Frag Zone, 1.5 lb

4.3
704 P
Carib Sea Arag-Alive 20 lb Fiji Pink Sand

Carib Sea Arag-Alive 20 lb Fiji Pink Sand

4.7
2,219 P
Carib SeaACS00120 Crushed Coral for Aquarium, 15-Pound

Carib SeaACS00120 Crushed Coral for Aquarium, 15-Pound

4.3
1,799 P
Carib SeaACS00020 Aragonite Reef Sand for Aquarium, 15-Pound

Carib SeaACS00020 Aragonite Reef Sand for Aquarium, 15-Pound

4.0
471 P
Carib Sea Aragonite Aquarium Sand 10 lbs.

Carib Sea Aragonite Aquarium Sand 10 lbs.

4.3
579 P
CaribSea Arag-Alive 20 lb Fiji Pink Sand

CaribSea Arag-Alive 20 lb Fiji Pink Sand

4.7
1,179 P
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
779 P
Carib SeaArag-Alive Substrate Special Grade Reef Sand, 10 lb.

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

4.4
764 P
Caribsea Arag-Alive Fiji Aquarium Sand, 10-Pound, Pink

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

4.7
839 P
Carib Sea Aquatics Quart Frag Zone, 1.5 lb

Carib Sea Aquatics Quart Frag Zone, 1.5 lb

4.2
400 P
Carib Sea Aragonite Aquarium Sand 10 lbs.

Carib Sea Aragonite Aquarium Sand 10 lbs.

4.3
1,439 P
Carib Sea Arag-Alive Natural Reef Aquarium Gravel 16 lbs.

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

4.4
1,089 P
Carib Sea ACS00370 South Sea Base Rock for Aquarium, 40-Pound

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

4.6
1,589 P
Carib SeaCoraline Aquarium Gravel, 20 lbs.

Carib SeaCoraline Aquarium Gravel, 20 lbs.

4.6
1,049 P
Carib Sea ACS00110 Crushed Coral for Aquarium, 10-Pound

Carib Sea ACS00110 Crushed Coral for Aquarium, 10-Pound

4.7
769 P
Exotica Dragon Stone Freshwater Rock 25lb

Exotica Dragon Stone Freshwater Rock 25lb

461 P
CaribSea Aquatics Quart Frag Zone, 1.5 lb

CaribSea Aquatics Quart Frag Zone, 1.5 lb

4.2
446 P
Caribsea Super Naturals Aquarium Sand, 20-Pound, Torpedo Beach

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

4.6
1,319 P
Caribsea Life Rock Arches for Aquariums

Caribsea Life Rock Arches for Aquariums

3.9
2,819 P
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

2,809 P
Carib Sea ACS00150 Crushed Coral for Aquarium, 40-Pound

Carib Sea ACS00150 Crushed Coral for Aquarium, 40-Pound

4.6
2,299 P
CaribSea Purple Up Algae Accelerator, 8-Ounce

CaribSea Purple Up Algae Accelerator, 8-Ounce

4.2
599 P
CaribSea Purple Up Algae Accelerator, 16-Ounce

CaribSea Purple Up Algae Accelerator, 16-Ounce

4.5
1,369 P
Carib SeaACS00222 African Sahara Sand for Aquarium, 20-Pound

Carib SeaACS00222 African Sahara Sand for Aquarium, 20-Pound

4.6
401 P
Carib Sea Original Life Rock, Medium

Carib Sea Original Life Rock, Medium

4.1
569 P
CaribSea Arag-Alive 20-Pound Special Grade Reef Sand, Bimini Pink

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

4.4
574 P
CaribSea Arag-Alive Special Grade Reef Sand, 20-Pound

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

4.6
2,089 P
Carib Sea Arag-Alive Substrate, Bahamas Oolite, 20 lb.

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

4.3
1,032 P
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
251 P
CaribSea Purple Up Algae Accelerator, 8-Ounce

CaribSea Purple Up Algae Accelerator, 8-Ounce

4.4
183 P
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
974 P
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
1,209 P
Carib SeaACS05832 Super Natural Peace River Sand for Aquari

Carib SeaACS05832 Super Natural Peace River Sand for Aquari

4.7
590 P
ECO Complete Planted Substrate

ECO Complete Planted Substrate

4.1
1,219 P
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
574 P
Carib Sea(3 Pack) Purple Up Algae Accelerator, 8-Ounce

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

4.2
964 P
Ocean Direct Natural Live Sand

Ocean Direct Natural Live Sand

4.4
1,673 P
Carib SeaPurple Up Algae Accelerator, 8-Ounce

Carib SeaPurple Up Algae Accelerator, 8-Ounce

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

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

4.3
1,195 P
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
1,068 P
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
7,009 P
CaribSea AquaticsInstant Amazon Blackwater Solution, 8 oz

CaribSea AquaticsInstant Amazon Blackwater Solution, 8 oz

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

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

4.7
1,106 P
CaribSea Arag-Alive Natural Reef Aquarium Gravel, 16 lbs., Tan

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

4.3
1,719 P
Carib SeaACS05820 Super Natural Moonlight Sand for Aquarium, 5-Pound

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

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

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

4.5
1,489 P
Carib SeaArag-Alive 20-Pound Special Grade Reef Sand, Bimini Pink

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

4.4
1,283 P
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
216 P
Carib Sea ACS00223 African Ivory Coast Sand for Aquarium, 20-Pound

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

4.6
1,289 P
Carib Sea SCS00711 Reptiles Calcium Substrate Sand, 10-Pound, Desert Rose

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

4.5
659 P
Carib Sea Purple Up Algae Accelerator, 16-Ounce

Carib Sea Purple Up Algae Accelerator, 16-Ounce

4.5
373 P
Carib Sea Aquatics Jungle Indian Almond Leaf

Carib Sea Aquatics Jungle Indian Almond Leaf

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

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

4.6
1,619 P
Carib Sea INC Life Rock Shapes Natural Corral 20 LB

Carib Sea INC Life Rock Shapes Natural Corral 20 LB

4.1
4,609 P
Carib Sea Super Naturals Aquarium Sand, 10 lbs, Tan

Carib Sea Super Naturals Aquarium Sand, 10 lbs, Tan

974 P
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
594 P
Carib Sea Life Rock, 40-Pound

Carib Sea Life Rock, 40-Pound

4.3
6,779 P
Carib SeaACS00150 Crushed Coral for Aquarium, 40-Pound

Carib SeaACS00150 Crushed Coral for Aquarium, 40-Pound

4
599 P
Carib SeaSCS00711 Reptiles Calcium Substrate Sand, 10-Pound

Carib SeaSCS00711 Reptiles Calcium Substrate Sand, 10-Pound

4.6
1,349 P
Carib 084220 No.9 Samurai Substrate Soil

Carib 084220 No.9 Samurai Substrate Soil

969 P
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
473 P
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
652 P
Carib Sea ACS00526 Mineral Mud Filter Media for Aquarium, 1-

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

1,039 P
Carib SeaEco-Complete 20-Pound Planted Aquarium, Black

Carib SeaEco-Complete 20-Pound Planted Aquarium, Black

4.6
1,969 P
Carib SeaAquatics Life Rock Display Box, 20 lb

Carib SeaAquatics Life Rock Display Box, 20 lb

4.5
2,633 P
Caribsea Moonlight Sand for Freshwater Aquariums 20lb

Caribsea Moonlight Sand for Freshwater Aquariums 20lb

4.5
1,016 P
Carib SeaACS05823 Super Natural Torpedo Beach Sand for Aquarium, 5-Pounds

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

4.4
824 P
Carib Sea Florida Crushed Coral, 10 lb.

Carib Sea Florida Crushed Coral, 10 lb.

4.3
784 P
Carib SeaACS01790 Aragamax Alive Sand for Aquarium, 10-Pound, 4 Per Case

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

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

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

4.7
1,429 P
Caribsea Arag-Alive Bahamas Oolite Aquarium Sand, 10-Pound

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

4.6
792 P
Carib Sea Reptilite Natural Calcium Sand 10LBS

Carib Sea Reptilite Natural Calcium Sand 10LBS

4.5
979 P
Caribsea Super Naturals Essentials Aquarium Sand, 5-Pound, Jelly Beans

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

1,359 P
Carib Sea Purple Up Algae Accelerator, 8-Ounce

Carib Sea Purple Up Algae Accelerator, 8-Ounce

4.1
375 P
Carib SeaECO COMPLETE PLANTED SUBSTRATE

Carib SeaECO COMPLETE PLANTED SUBSTRATE

4.1
791 P
Carib Sea ACS00529 Arm Reactor Coarse Filter Media for Aquarium, 1-Gallon

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

1,339 P
Caribsea Life Rock, 40-Pound

Caribsea Life Rock, 40-Pound

4.2
5,489 P
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
1,709 P
Carib SeaArag-Alive 20-Pound Special Grade Reef Sand, Bahamas Oolite

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

4.1
1,071 P
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
540 P
Carib SeaArag-Alive Substrate, Hawaiian Black, 20 lb.

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

4.7
1,019 P