Welcome to the
Mount Sinai – Miller Place Chamber of Commerce

Our primary goal is to strengthen our local economy by connecting residents to locally owned businesses in order to unite the community through events, networking and interests of local community.

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“Strengthening Local Businesses Within Our Communities”

Showcase your business | Connect with local businesses | Free business listing on our website | and More

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Chamber News

Chamber

President’s Letter June 2026

Dear Members, As our nation celebrates its 250th birthday, we are reminded of the vision, perseverance, and entrepreneurial spirit that ...

Member of the Month

Member of the Month – CP Lamannos

Looking for something good to eat? Try the best pizzas in Miller Place. C.P. La Mannos ...

Ribbon Cutting Ceremonies 2026

We are thrilled to announce the official Grand opening and ribbon-cutting ceremonies for local businesses in our area ...

Heritage Park Summer Concert

Join us for a fun summer concert and movie series. FREE EVENT! ...

Mather Hospital Blue & White Gala

When: Friday, August 21, 2026, 6p-10p. Where: Port Jefferson Country Club. Honoring our 2026 Theodore Roosevelt Award recipients ...

Event: Nicola Tesla Expo

I want to share some information about Tesla Science Center's upcoming Nikola Tesla Expo on Saturday, July 11 in Shoreham ...

Another MSMP Chamber Beautification Project Completion of another beautification project sponsored by Mt. Sinai-Miller Place Chamber of Commerce. Thanks to everyone involved in getting this well-needed upgrade to the Mt Sinai Post Office. Click here for more Chamber Pictures ...

Upcoming Events

Like to have your venue hold a future chamber event or become a sponsor? Let us know.

Business owners and local residents are invited to subscribe to our newsletter to stay on top of local events.

Support our local businesses. We thank you choosing our wonderful local shops and restaurants.

Recent Chamber Beautification Projects

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The chamber has acquired a grant from Suffolk County to install street lamp posts along Rt. 25A near the former King Kullen shopping center in Mount Sinai. As of June 2, 2026 we now have 16 new lamp posts located along Rt. 25A. Click for pics.

Current beautification project is to repair, paint, add new shutters and landscape. the exterior of the Mount Sinai post office. Click for pics.

PSEG grants have been acquired for landscape improvement projects that have been completed at three entry points to Mount Sinai, The gazebo located on Crystal Brook Hollow Road has been painted, a new roof installed and landscaped, the welcome sign at Echo Avenue and the Heritage Center sign located on Rt. 83 has been landscaped.