Below please find information on our current commercial developments.

The Commons at Mt. Sinai

Now Building On Long Island - The Commons At Mount Sinai
Island Estates' Commercial Division owns and operates a three-building complex at the intersection of Route 25A and Mt Sinai-Coram Road. The Commons includes The Learning Experience, a 10,000 square foot day care center, a TD Bank, a full service bank with drive-thru capability, and a 5,600 square foot professional office building. The Commons is managed by Island Estates to insure that it will always be an attractive part of the Mt. Sinai Community. 
Island Estats' Commercial Division in Mt Sinai
For more information on leasing office space, please contact Amanda (631) 588-8818 extension 118.


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Island Estates offer free consultation to its valuable customers.

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Let Island Estates help you customize the new home of your dreams at Harborfields Estates!

See our all-new models to be built at our newest development, Harborfields Estates, in Greenlawn! - Update: We are Sold Out! Thank you to all of our customers for putting your trust in us!

*All pictures contained on this website are representations only. Prices, features, and availability subject to change without notice. Please confirm all information by contacting us directly.