
Welcome to the official website of
The Gilbert and Sullivan Light Opera Company of Long Island!
Have a look around the site, and chances are you’ll be as excited about the company as we are!

2022 Update
GASLOCOLI is pleased to announce our production of
The Mikado: A Long Island Fantasy
Click the link below for more performance information.


About Us

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About the Company
Founded in 1954, the Gilbert & Sullivan Light Opera Company of Long Island is not only Long Island’s oldest opera company, but one of its oldest theater companies and oldest musical organizations.
This New York State-registered not-for-profit organization, is a touring company performing the works of Gilbert & Sullivan for churches, temples, schools, parks, libraries, seniors groups and fraternal organizations throughout Nassau and Suffolk counties, as well as in Brooklyn, Queens and Manhattan.