CaribSea Ocean Direct Original Caribbean Marine Live Sand, 40-lb bag

By CaribSea
Rated 4.6111 out of 5 stars
$34.99Chewy Price
$52.99Chewy Price

In Stock
FREE 1-3 day delivery over $35

Frequently Bought Together

Instant Ocean Reef Salt for Aquariums, 200-gal
Rated 4.5833 out of 5 stars
$99.99Chewy Price

Save 35% on Autoship

Nature's Ocean Natural Coral Aquarium Base Rock, 40-lb box
Rated 4.0423 out of 5 stars
$75.99Chewy Price
Total Price: $210.97

About This Item


  • Caribbean Marine Live Sand substrate with "Sea-Breathe" technology to preserve original marine bacteria.
  • Moist packed sand is wrapped in a thin film of real seawater—the thin film is open to the atmosphere for unparalleled gas exchange.
  • Great way to add beneficial bacteria with a non-toxic buildup of metabolic by‑products to your finned friends’ underwater habitat.
  • Provides your scaly friends with a thriving, natural aquarium balance quickly and effectively due to the millions of bacteria and a beautiful aragonite substrate.
  • Contains 0.25-6.5 mm grain size in every bag, plus it’s alive with up to 1,000 times more beneficial bacteria than other preservation methods.

See More



Compare Similar Items

Customer Rating
Rated 4.6111 out of 5 stars
Rated 3.4 out of 5 stars
Rated 3.5 out of 5 stars
Rated 4.2353 out of 5 stars
Rated 4.8571 out of 5 stars
$34.99Chewy Price
$49.35Chewy Price
$34.99Chewy Price
$26.59Chewy Price
$41.09Chewy Price
Fish TypeMarine Fish, Marine InvertebrateMarine Fish, Marine InvertebrateTropical FreshwaterTropical FreshwaterTropical Freshwater
Aquarium TypeSaltwaterSaltwaterFreshwaterFreshwaterFreshwater

Questions & Answers

4 Customer Questions

Does this have water in the bag?
Answer by ChewyNov 21, 2018
This sand is packaged in a breathable bag with a thin film of real ocean water.

Can this be used for both fresh and salt water?
Answer by ChewyAug 09, 2018
This product was designed and tested for salt water only.

Is this good for hermit crabs?
Answer by ChewyJul 27, 2018
This sand can be used with hermit crabs.

What would be the shelf life on these? How long ahead could I order and let sit?
Answer by ChewySep 26, 2019
While there is no shelf life for this sand, it's packaged damp in a perforated bag and is recommended to store in a cool dry place, keeping away from extreme heat and light.

ReviewsWrite a Review

Rated 4.6111 out of 5 stars
18 Ratings
Would recommend to a friend

18 Customer Reviews

Rated 2 out of 5 stars
By Eel on Aug 8, 2023

Dry sand not live.

Revived the item fairly quickly but it arrived dry. So when placed in my tank it remained cloudy for 5 days. Maybe I just received an old bag? Try to buy in store if you can so that you can know what you’re getting

Rated 5 out of 5 stars
By Brandon on Apr 3, 2023

This sand is legit!

I bought this sand for my 75 gal reef tank setup. I didn't rinse obviously, since it's live sand but this stuff is really clean. My tank has been full and running for less than 24 hours now and it is SUPER clear! I used the clarifier that comes included, filled my tank super slowly with my RO/DI unit and in 12 hours it was clear. Chewy also has the best price and customer service I've ever seen, so it's a no brainer. Do yourself a favor and but this stuff! Also, the sand is very fine with nice variation. I have 2 really powerful powerheads and a powerful return pump and the sand doesn't blow around.

Rated 5 out of 5 stars
By Ben on Apr 29, 2023

As advertised

Perfect ,got 120 lbs for my 75 gallon tank , arrived in 2 days ,all bags in tact , took overnight for the sandstorm to settle leaving crystal clear water

Rated 5 out of 5 stars
By Kevin on Apr 4, 2023

Great product

Sand looks great in my tank. It really makes my 150 gallon tank look like an ocean bottom and the fish seem to love it.

Rated 5 out of 5 stars
By FattStog on May 3, 2023

Great Love Sand

Looks great in the tank and has a great size differential.

Rated 5 out of 5 stars
By Me on May 7, 2023

Caribsea Live sand

Product was exactly what I wanted. Exactly as described.

Rated 5 out of 5 stars
By UnclePorkchop on Jul 23, 2022

Chewy has no equal

This was my second time setting up a new aquarium that I needed live sand for. Brick and mortar stores local to me are very expensive. After a little research, I found Chewy, and was able to purchase almost 4 times the amount of sand as I could have gotten anywhere else. Same for Sea salt. That commercial where the lady thinks she got such a good deal that she leaves the place saying, "start the car?" Yeah, that was me when I found Chewy.

Rated 4 out of 5 stars
By Ricky on Nov 5, 2022

Ok sand bags

It says no rinsing required but it is Super dusty. Keeping the tank cloudy for 4 days so far.

Rated 3 out of 5 stars
By Scott on Oct 19, 2021

Gotta love covid.

Pricing is best on this product. Packing sucks. One of bags of sand was cut with blade then put in box like no big deal. Wonderful surprise. another box taped up like they’re Trying to keep a gremlin in bag of sand great no holes or anything. So I’ll blame this on brain farts from covid.

Rated 5 out of 5 stars
By Shopper on Oct 27, 2021

Customer Service Very Good

Had an error in Order. I called expecting a struggle. They quickly made it right - the problem was made messy by shipper. Resolved quickly and completely. Good value and nothing negative to say about experience