Every new Connecticut business filing, every dayCoastline Fitness
Zarah del Rosario, Principal
Coastline Fitness (also branded as Shoreline Fitness) is a local gym in Old Saybrook, CT, offering personal training, group exercise, boxing, cycling, and nutrition programs with 24/7 access. The business operates from 210 Main St, Old Saybrook, and the LLC filing lists the same city and nearby address. The website and phone numbers confirm it's a small-shop fitness club serving the Connecticut shoreline area.
Filed May 29, 2026 · Old Saybrook, CT · Middlesex County
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Connecticut Secretary of the State (business.ct.gov) · Entity 3452617 · Retrieved July 27, 2026
About Coastline Fitness
Shoreline A to Z Fitness LLC filed in Connecticut on May 29, 2026, as a fitness and gym business in Old Saybrook. Principals Zarah del Rosario and Arnold del Rosario are listed as officers. The domain was registered 1,790 days before the filing, on July 4, 2021, through Squarespace Domains, and the site was built with Squarespace. The website is modern, uses All in One SEO Pro, and is confirmed to match the filing. No annual report or EIN on file yet. We estimate revenue between $1 million and $10 million and 26-100 employees.
- Domain registered 1,790 days before the filing.
- Website built with Squarespace.
- Two principals listed as officers.
- Website confirmed to match filing name and address.
- No annual report or EIN on file yet.
Compiled from the state record, the company's public web presence, and our own research; revenue, employee, and footprint figures are estimates, not verified financials. Updated August 23, 2026.
One of 17 new businesses registered in Old Saybrook in May 2026, and the only fitness & gym business registered there that month.
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Filing Details
Verified Business Profile
Contact Information
Verified Website Profile
We matched this business to its website and pulled the domain's registration (WHOIS) record. Domain age is one of the strongest signals that a filing is a truly new business and not a re-filing or paperwork change.
Officers / Authorized Persons
Frequently Asked Questions
When was Coastline Fitness registered?
Coastline Fitness was registered as LLC on May 29, 2026 in Connecticut.
Where is Coastline Fitness located?
Coastline Fitness is based in Old Saybrook, CT, 06475-1524, in Middlesex County.
What type of business is Coastline Fitness?
Coastline Fitness is classified as a fitness & gym business (personal training & group classes).
Does Coastline Fitness have an EIN on file?
No EIN was found on file for Coastline Fitness at the time of registration.
Who Sells to This Business
Based on the business category, these service providers typically target this type of business.
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