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!

OSA COVENTRY WILL BE CLOSED TODAY Sorry for any inconvenience OSA GROTON open normal hours 12-6
08/07/2026

OSA COVENTRY WILL BE CLOSED TODAY
Sorry for any inconvenience
OSA GROTON open normal hours 12-6

FLASH SALE 15% off all Saltwater Fish and Invertebrates this weekend only!
07/25/2026

FLASH SALE 15% off all Saltwater Fish and Invertebrates this weekend only!

250 Years of Freedom!! 🇺🇸🇺🇸🇺🇸 Both locations will be closed Saturday July 4th in observance of Independence Day! He hope...
07/03/2026

250 Years of Freedom!! 🇺🇸🇺🇸🇺🇸
Both locations will be closed Saturday July 4th in observance of Independence Day!
He hope everyone enjoys the holiday and stays safe! And we will see you for Sundays ONE DAY ONLY SALE 👀🇺🇸🇺🇸

ONE DAY ONLY Courtesy of the Red, White and Blue 🇺🇸 To Celebrate Americas 250th Independence Day All Livestock is 25% of...
07/03/2026

ONE DAY ONLY Courtesy of the Red, White and Blue 🇺🇸
To Celebrate Americas 250th Independence Day All Livestock is 25% off

Special offer spend $250 get a$25 OSA Store Voucher valid from 7/6/26 -8/6/26.

OSA’s BIG SPLASH SUMMER SALE ! This weekend only BOTH LOCATIONS 🌊
06/23/2026

OSA’s BIG SPLASH SUMMER SALE ! This weekend only BOTH LOCATIONS 🌊

Proud new owner of a lido 200! 🎉🥳Thank you for trusting OSA for your new aquarium!!
06/09/2026

Proud new owner of a lido 200! 🎉🥳
Thank you for trusting OSA for your new aquarium!!

¿GoT WooD? ALL NEW SPIDER WOOD AND DRIFT WOOD IN STOCK NOW AT OSA GROTON
04/30/2026

¿GoT WooD?
ALL NEW SPIDER WOOD AND DRIFT WOOD IN STOCK NOW AT OSA GROTON

OSA GROTON WILL BE OPENING LATE TODAY DO TO MAJOR TRAFFIC CLOSURE ON 95 south 1 pm open New wood will be arriving later...
04/30/2026

OSA GROTON WILL BE OPENING LATE TODAY DO TO MAJOR TRAFFIC CLOSURE ON 95 south 1 pm open
New wood will be arriving later today!

You asked for it and we delivered it! ALL NEW AQUARIUM WOODS IN STOCK NOW AT OSA COVENTRY
04/29/2026

You asked for it and we delivered it!
ALL NEW AQUARIUM WOODS IN STOCK NOW AT OSA COVENTRY

All new aquarium plants back in stock at OSA Coventry!! Come check them out before they are all gone!
04/17/2026

All new aquarium plants back in stock at OSA Coventry!!
Come check them out before they are all gone!

Address

8 Sandy Bottom Road
Coventry, RI
02816

Opening Hours

Monday 12pm - 6pm
Tuesday 12pm - 6pm
Wednesday 12pm - 6pm
Thursday 12pm - 6pm
Friday 12pm - 6pm
Saturday 12pm - 6pm
Sunday 12pm - 5pm

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