Convenient access to boating on the Long Island Sound.
Greenwich Waterside Marina is a full-service marina located on the Mianus River in Cos Cob, Connecticut, offering convenient access to the Long Island Sound. We provide slip rentals, transient dockage, and indoor winter boat storage in a secure, well-maintained waterfront setting.
Our marina features newly constructed docks, modern power, water, and parking. On-site amenities include restrooms with showers, and The Sportsman’s Den, your local source for fishing gear, ice, and tackle. Greenwich Waterside Marina delivers a hassle-free boating experience for recreational boaters and anglers who value flexibility, comfort, and convenience.
ABOUT
SERVICES
Dock Rentals
Greenwich Waterside offers new docks with convenient access to power and water for boats up to 90’. Enjoy the flexibility of month-to-month rentals and transient dockage designed for spontaneous summer escapes. Each slip offers convenient access to power and water, giving you the freedom to come and go as you please - no long-term commitment required.
Indoor Storage Options
We offer both climate-controlled and standard indoor storage to protect your vessel from the elements during the winter.
Maintenance
We offer full marine services via our on site maintenance partners.
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Questions? Reach out and we will respond as soon as possible.