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!

11/25/2024

🐠 BLACK FRIDAY MEGA SALE 🐠
FRIDAY 11/29/24 ONLY
35% OFF LIVESTOCK
15% OFF EVERYTHING ELSE IN STORE
All 3 LOCATIONS
Seekonk, MA📍Coventry, RI📍Groton, CT

11/25/2024

🐠 BLACK FRIDAY MEGA SALE 🐠
FRIDAY 11/29/24 ONLY
35% OFF LIVESTOCK
15% OFF EVERYTHING ELSE IN STORE
All 3 LOCATIONS
Seekonk, MA📍Coventry, RI📍Groton, CT

Another fish shipment just arrived as we get ready for the BIG BLACK FRIDAY event 🔥🔥🔥
11/25/2024

Another fish shipment just arrived as we get ready for the BIG BLACK FRIDAY event 🔥🔥🔥

🐠 BLACK FRIDAY MEGA SALE 🐠FRIDAY 11/29/24 ONLY35% OFF LIVESTOCK 15% OFF EVERYTHING ELSE IN STORE All 3 LOCATIONS Seekonk...
11/24/2024

🐠 BLACK FRIDAY MEGA SALE 🐠
FRIDAY 11/29/24 ONLY
35% OFF LIVESTOCK
15% OFF EVERYTHING ELSE IN STORE
All 3 LOCATIONS
Seekonk, MA📍Coventry, RI📍Groton, CT

Dive into the largest selection of aquariums in the north east at OSA. Explore our massive livestock collection and build the aquarium of your dreams. Learn about our professionally trained maintenance crew, for hands-free aquarium keeping.

11/20/2024

Coventry, RI location packed in African cichlids 🐠🤯🔥

11/20/2024

NEW Saltwater Fish and Inverts at OSA Groton w/Freshwater Joe

11/19/2024

We are packed ! Fish , corals , inverts at all 3 locations 🐠🐠🐠

Come grab an espresso ☕️ and head on over to OSA Groton and see all the new fish that just landed! Be the first to see t...
11/19/2024

Come grab an espresso ☕️ and head on over to OSA Groton and see all the new fish that just landed! Be the first to see them this week!

NEW AQUASCAPE TABLE AT OSA GROTON! Come in and unleash your inner artist!
11/19/2024

NEW AQUASCAPE TABLE AT OSA GROTON! Come in and unleash your inner artist!

11/19/2024

NEW FISH AT OSA SEEKONK!

37 Boxes across all 3 Locations just arrived last night!! Come on in this week and get first picks on all the amazing n...
11/18/2024

37 Boxes across all 3 Locations just arrived last night!! Come on in this week and get first picks on all the amazing new livestock!

Check out the great selection of aquariums we have at our Coventry , RI location 🐠
11/16/2024

Check out the great selection of aquariums we have at our Coventry , RI location 🐠

NEW ESHOPPS Mariner ! Available at OSA Coventry & Groton
11/12/2024

NEW ESHOPPS Mariner !
Available at OSA Coventry & Groton

Hanna instruments now in stock at OSA Seekonk Re-stocked at OSA Coventry & OSA Groton !!
11/10/2024

Hanna instruments now in stock at OSA Seekonk
Re-stocked at OSA Coventry & OSA Groton !!

Install Friday 🐸 🐸 🐸
11/08/2024

Install Friday 🐸 🐸 🐸

He is pumped up over his brand new Mariner 130 🔥🐠💪
11/07/2024

He is pumped up over his brand new Mariner 130 🔥🐠💪

Install Monday ! African cichlid aquarium upgrade 🐠🐠🐠
11/04/2024

Install Monday ! African cichlid aquarium upgrade 🐠🐠🐠

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

Website

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Videos

OSA COVENTRY BLACK FRIDAY SALE
OSA COVENTRY BLACK FRIDAY SALE

🐠 BLACK FRIDAY MEGA SALE 🐠 FRIDAY 11/29/24 ONLY 35% OFF LIVESTOCK 15% OFF EVERYTHING ELSE IN STORE All 3 LOCATIONS Seekonk, MA📍Coventry, RI📍Groton, CT

OSA BLACK FRIDAY SALE
OSA BLACK FRIDAY SALE

🐠 BLACK FRIDAY MEGA SALE 🐠 FRIDAY 11/29/24 ONLY 35% OFF LIVESTOCK 15% OFF EVERYTHING ELSE IN STORE All 3 LOCATIONS Seekonk, MA📍Coventry, RI📍Groton, CT

Coventry, RI location packed in African cichlids 🐠🤯🔥

NEW Saltwater Fish and Inverts at OSA Groton w/Freshwater Joe

We are packed ! Fish , corals , inverts at all 3 locations 🐠🐠🐠

NEW FISH AT OSA SEEKONK!

Amazing Regal Angel at Coventry , RI location 🐠🐠🐠

Coventry , RI location is packed in saltwater & freshwater fish 😍😍😍

OSA Groton is packed in NEW fish , shrimp and plants 🔥🐠🌱

Aquarium Plants are back ! 🌱 🔥💥 All locations are packed ! 🔥🔥🔥

NEW aquariums just arrived at OSA Coventry & Groton ! 🔥🔥🔥 Eshopps Mariner

Check out this amazing group 6”+ clown loaches 🔥🐠😱

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