OSA Aquarium Superstore & Services

OSA Aquarium Superstore & Services OSA houses the largest selection of both fresh/saltwater fish & corals in New England! Best of all, our prices cannot be beat! We’ve got you covered!
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Headquartered in Coventry, RI, Ocean State Aquatics & Aquarium Services is a company that is passionate and dedicated to providing the best complete aquarium installations, service, and maintenance to our clients. Our friendly and knowledgeable staff consistently produce high quality work and provide reliable, ‘round the clock service. OSA staff provide expertise and cater to a wide variety of cli

ents at our multiple retail locations located throughout New England. Our design studio includes an extensive selection of aquariums of all shapes and sizes, as well as a multitude of aquascaping supplies to suit all of your aquarium needs. Whether you’re looking for substrate, driftwood, live plants, faux plants, or coral, stop into OSA! OSA also carries a wide-range of the best equipment, parts, chemicals, and supplements to meet all of our clients needs. We look forward to working with you here at Ocean State Aquatics & Aquarium Services!

Do an issue with our water production sales of RO/DI and mixed salt water are currently paused at our Coventry RI locati...
03/13/2025

Do an issue with our water production sales of RO/DI and mixed salt water are currently paused at our Coventry RI location
If you are in need of either our Groton location has you covered
We deeply apologize for any inconvenience this may have caused and hope to have the issue resolved soon

Chalice anyone?? •••All pics from Coventry RI location
03/12/2025

Chalice anyone??
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All pics from Coventry RI location

OSA SEEKONK IS PACKED IN AQUARIUM PLANTS 🌱
03/12/2025

OSA SEEKONK IS PACKED IN AQUARIUM PLANTS 🌱

03/11/2025

NEW FISH AT OSA COVENTRY Fresh & Saltwater

OSA GROTON IS PACKED IN AQUARIUM PLANTS! 🌱
03/11/2025

OSA GROTON IS PACKED IN AQUARIUM PLANTS! 🌱

03/11/2025

NEW FISH AT OSA GROTON Fresh and Saltwater w/Freshwater Joe

OSA COVENTRY IS PACKED IN NEW AQUARIUM PLANTS!!
03/10/2025

OSA COVENTRY IS PACKED IN NEW AQUARIUM PLANTS!!

Install Monday ! Check out this 70gal freshwater rimless install today 🔥
03/10/2025

Install Monday !
Check out this 70gal freshwater rimless install today 🔥

Joey just got a NEW upgrade ! Eshopps mariner 70🔥🔥🔥
03/08/2025

Joey just got a NEW upgrade ! Eshopps mariner 70🔥🔥🔥

03/07/2025

NEW FISH AT OSA SEEKONK FRESHWATER & SALTWATER W/ Freshwater Joe

Some amazing variety of Anemones at our Coventry RI location 🔥🔥
03/07/2025

Some amazing variety of Anemones at our Coventry RI location 🔥🔥

THIS WEEKEND 15% off all livestock!! All 3 locations!!!!
03/01/2025

THIS WEEKEND 15% off all livestock!! All 3 locations!!!!

WINTER BRAKE-OUT EXTRAVAGANZA This weekend only get 15% off all livestock! All 3 convenient locations 📍Groton, CT📍Covent...
02/25/2025

WINTER BRAKE-OUT EXTRAVAGANZA This weekend only get 15% off all livestock! All 3 convenient locations
📍Groton, CT
📍Coventry, RI
📍Seekonk, MA

WINTER BRAKE-OUT EXTRAVAGANZA This weekend only get 15% off all livestock! All 3 convenient locations 📍Groton, CT📍Covent...
02/25/2025

WINTER BRAKE-OUT EXTRAVAGANZA This weekend only get 15% off all livestock! All 3 convenient locations
📍Groton, CT
📍Coventry, RI
📍Seekonk, MA

Copepods back in stock at our Coventry RI location!
02/12/2025

Copepods back in stock at our Coventry RI location!

02/11/2025

OSA Coventry is packed in saltwater fish 😍

Got frozen?
02/10/2025

Got frozen?

Address

8 Sandy Bottom Road
Coventry, RI
02816

Opening Hours

Monday 12pm - 7pm
Tuesday 12pm - 7pm
Wednesday 12pm - 7pm
Thursday 12pm - 7pm
Friday 12pm - 7pm
Saturday 12pm - 7pm
Sunday 12pm - 5pm

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Videos

NEW FISH AT OSA COVENTRY Fresh & Saltwater

NEW FISH AT OSA GROTON Fresh and Saltwater w/Freshwater Joe

NEW FISH AT OSA SEEKONK FRESHWATER & SALTWATER W/ Freshwater Joe

500 new CORAL JUST LANDED 🛬 come in before the weekend to get first picks on some incredible pieces! #allmymoneygoestocoral #osacorals #saltwateraquarium

OSA Coventry is packed in saltwater fish 😍

ALL 3 locations Open 12pm -4pm Sunday Feb 9 Come in before the big game COMMENT BELOW ⬇️ Chiefs or Eagles??

So many rainbow fish on this snowy day ! All 3 OSA Locations are open today normal hours 12pm-6pm come get some fresh air and freshen up your aquarium with some new livestock!

600+ corals just landed 🛬 🔥🔥🔥

11 boxes of saltwater fish just landed 🛬

Amazing xxl Oscars at Coventry RI location !

What one would you pick ? Planted aquarium or cichlids ? 🪴 🐠

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