Rock

South Seas Base Rock - Natural weathering processes form the fantastic shapes of South Seas Base Rock by the erosion and pitting of limestone over the course of eons. It is clean and safe for marine, reef and hard water freshwater aquariums such as...

PHOTOS ARE EXAMPLES - THESE ARE NOT MADE IN A MOLD - YOU WILL NOT BE GETTING THESE EXACT SAME ROCKS All rocks are unique in size, shape and weight. Fantastic shapes, incredible colors… Well check out new LifeRock™ Shapes, the latest...

We ONLY Ship Maricultured Live Rock on Tuesdays for Wednesday delivery.  That means if you order Wednesday - Monday, all orders will ship on the following Tuesday. Pricing includes Fedex Priority Overnight Shipping - Rock this nice...

Don’t just put rocks in your tank, ROCK YOUR REEF with LifeRock™. Amazing porosity, incredible biological performance (drops ammonia like real live rock), and unsurpassed realism make LifeRock™ the best and most cost effective rock...

South Seas Base Shelf Rock - Natural weathering processes form the fantastic shapes of South Seas Base Rock by the erosion and pitting of limestone over the course of eons. It is clean and safe for marine, reef and hard water freshwater aquariums such as...

Increase the beauty of your aquarium landscape with these unique style stones and rocks to look like miniature rock formations. Customize your reef structure with safe, all-natural materials available in an assortment of sizes and shapes to enhance your...

Real Reef Rock is our standard reef building rock. It comes in a variety of sizes from 4"-12".  It is very light, porous and full of holes and crevices. It is three dimensional in shape and comes in many natural shades of purple, pink and red. It...

Our new LifeRock Nano Tree is the perfect aquascape for nano sized marine and reef aquariums.  This complete modular structure has two nano arches, one nano base, and one 7-inch Reef Rod to make creating the perfect nanoscape easy and fast. ...

Marco ReefSaver is a natural rock that is harvested on land from an ancient reef system buried when the Florida land mass was formed.  Whether you are building a Saltwater fish only, a Reef tank or a Fresh water tank, and even reptile environments,...

Don’t just put rocks in your tank, ROCK YOUR REEF with LifeRock™ “Belize Branch”! Spectacular branches make a reef tank go from nice to WOW! LifeRock™ Belize Branch fills an aquarium, but leaves open more area for fish and...

Caribsea® Moani Dry Live Rock is the perfect solution for starting your marine aquarium with the benefits of live rock. Moani will behave just like real live rock, providing your aquarium with vital biological filtration and a nitrification base, in...

LifeRock™ begins as a sunlit piece of Pleistocene era seafloor thriving with living creatures. Over the next 100 millennia and the retreat of the ocean, this ancient piece of seafloor, now well inland, has formed a pure, aragonite-bearing rock...

Real Reef Shelf Rock is our version of the shelf or slab rock that use to be imported from the Kingdom of Tonga for many years, before getting banned for destructive collection practices. Many have try tried to ship similar wild products from countries...

LifeRock™ begins as a sunlit piece of Pleistocene era seafloor thriving with living creatures. Over the next 100 millennia and the retreat of the ocean, this ancient piece of seafloor, now well inland, has formed a pure, aragonite-bearing rock...

Real Reef Branch Rock is our version of the Tonga Branch rock that use to be imported from the Kingdom of Tonga for many years, before getting banned for destructive collection practices. No live rock in the world has ever come close to the natural...

Build striking, unique aquascapes in your aquarium with Two Little Fishies STAX Aquascaping Rocks. STAX are flat, porous, oolitic limestone shapes, perfect for building layered aquascapes in marine or freshwater aquariums. Provides a stable structure...

LifeRock™ begins as a sunlit piece of Pleistocene era seafloor thriving with living creatures. Over the next 100 millennia and the retreat of the ocean, this ancient piece of seafloor, now well inland, has formed a pure, aragonite-bearing rock...

Each Arch is approximately 8" long. Fantastic shapes, incredible colors… Well check out new LifeRock™ Shapes, the latest version of CaribSea’s amazing LifeRock™ line up. Each box comes with 4 nano arches! There is simply no...

These natural porous calcium carbonate rocks are sliced on two sides to create ledges, platforms, and caves, and are perfect for fragging corals of all sizes. Flatz can also be used to design interesting substructures, rock footers, and sandless...

LifeRock™ begins as a sunlit piece of Pleistocene era seafloor thriving with living creatures. Over the next 100 millennia and the retreat of the ocean, this ancient piece of seafloor, now well inland, has formed a pure, aragonite-bearing rock...

Not quite Reef Saver, not quite Shelf.  Quite Unique. This Hybrid MarcoRock seems to do it all.  It lends itself to be quite easy and forgiving to work with.  The shelving aspect allows for ample ridges and overhangs, which truly is the...

Approximately 8-14" on Average in Length, hand made so all the designs slightly different. Real Reef Arches are Here!  The best looking manmade rock now in Arch form.  There are 4 arches to a box of random size & similar but random shapes...

South Seas rock is the premium choice of natural base rock for marine, reef, and African cichlid aquariums. Incredible macro and micro porosity for the ultimate biological media, and beautiful shapes and gnarly texture perfect for invertebrate placement...

There is simply no better, no more spectacular way to aquascape your marine or reef aquarium. These open, light shapes not only provide lots of cover and “play area” for fish, but provide nice nooks and shelf areas for inverts too. CaribSea...

We start with our ReefSaver rock with result looking something straight from the ocean.  This is not a wet or "live" product.   Our Coralline rock features no paint and no concrete.  We use an organic colorant that preserves all of...

Not quite Reef Saver, not quite Shelf.  Quite Unique. This Hybrid MarcoRock seems to do it all.  It lends itself to be quite easy and forgiving to work with.  The shelving aspect allows for ample ridges and overhangs, which truly is the...

South Seas rock is the premium choice of natural base rock for marine, reef, and African cichlid aquariums. Incredible macro and micro porosity for the ultimate biological media, and beautiful shapes and gnarly texture perfect for invertebrate placement...

Undeniably one of the most popular hardscape stones used in aquascaping, Seiryu stone is perfect for creating ledges, rock cliffs, and underwater mountains. Sculpted from actual hand-selected stones, this collection of 11 molded Seiryu Stones features...

Nature's Ocean Purple Base Rock 20 LBS (Approx. 5 -9 inches) Purple base rock will become naturally live overtime because of its porosity : No artificial or engineered bacteria, Rapidly adapts to the LIVE environment , Made from aragonite base rock, Will...

Life Rock Ultimate Branch : 12" tall x 9" wide approx.

LifeRock™ begins as a sunlit piece of Pleistocene era seafloor thriving with living creatures. Over the next 100 millennia and the retreat of the ocean, this ancient piece of seafloor, now well inland, has formed a pure, aragonite-bearing rock...

MarcoRocks has taken the guesswork out of choosing how much of each rock type to use when planning that perfect aquarium scape. In our new "The Perfect Mix" box you'll find just the right mix of MR Coralline Foundation, MR Coralline Hybrid, and MR...

We start with our ReefSaver rock with result looking something straight from the ocean.  This is not a wet or "live" product.   Our Coralline rock features no paint and no concrete.  We use an organic colorant that preserves all of...

IceCap Seiryu Stone is a unique stone that features various shades of blue and gray and has a rough, jagged texture. Enhance Your Aquarium with IceCap Seiryu Stone! IceCap Seiryu Stone is a type of aquarium rock that originates from Japan. It is a...

This box has everything you need to make a beautiful aquascape and there are so many ways to arrange them for a 5-15 Gallon Tank. 15-25 Gallon Kit Contains: 1x Donut 1x Branch Cluster 2x Arches 1x Ledge 8 lbs of Original Liferock...

This is one of our most popular rock offerings. Formed naturally from ancient reef structures, we hand select and process the most premium structures in the Marco Rocks line to create the Premium Shelf Rock for your aquarium. It lends itself to that...

This box has everything you need to make a beautiful aquascape and there are so many ways to arrange them for a 5-15 Gallon Tank. 5-15 Gallon Kit Contains: 1x Branch Cluster 1x Arch 1x Ledge 5x lbs of Original Liferock Base...

Aquaforest Rocks are an artificial alternative to natural live rock designed from a lightweight and highly porous material that is easy to cut, arrange, and combine usingStone Fix for hassle-free aquascaping. The porous nature of AF Rocks makes them...

IceCap Dragon Stone is a variety of rock that typically features a rough, jagged, and porous texture, and is available in shades of gray or brown. Enhance Your Aquarium with IceCap Dragon Stone! IceCap Dragon Stone is a type of rock that usually has a...

IceCap Copper Stone boasts a striking copper hue and can be incorporated into various aquarium setups, from planted to cichlid tanks. Enhance Your Aquarium with IceCap Copper Stone! IceCap Copper Stone can create a stunning appearance of rivers,...