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The perfect venue for your celebration!

The Watermill is located in the heart of Long Island in Smithtown featuring breathtaking ballrooms that are perfect for your special event. Along with all the fabulous amenities like private suites, white-glove service, state-of-the-art A/V equipment, and customized lighting and sound, the Watermill offers modern touches and elegant decor throughout.  Complete the contact form below to start planning your celebration today!




Quinceanera Party

Quinceanera's are an event that young girls dream of. At the Watermill, that dream is transformed into a reality, as and event venue that is like no other. With expert event planners capable of achieving the desired sweet sixteen theme and party ideas, the Watermill is ready to create an event that skillfully fits your teen’s style and personality. 

Whether your daughter desires that her quinceanera take place in an elegant ballroom that makes her feel like a veritable princess or in a chic, modern lounge that screams exclusivity, the Watermill event venue and catering hall offers the sweet spot of a setting. Either way, the Watermill’s highly experienced special event experts will answer the call, complete with a dazzling ambiance, white-glove service, and impeccable culinary creations. 

Memorable Events 

The Watermill’s unmatched team of event  professionals is prepared to put together a memorable event that is at once steeped in tradition and modern enough for today’s young people. 

The Watermill’s bright and brilliant LED lighting and professionally pitched sound system seamlessly transforms our ballrooms into dynamic nightclubs when the time comes to dance the night away. And the food? Your guests will be verklempt when they see and taste the delectable spread prepared by the Watermill’s award-winning gourmet chefs—it’s a feast that caters to both young and old alike!


Outdoor Dining

Enjoy the great outdoors during your celebration!  The Watermill features various opportunities to gather with friends and family in our beautiful gardens all while enjoying our mouthwatering cuisine and beverages. 

The Gardens

The Watermill is surrounded by sprawling gardens that transform throughout the year. Featuring waterfalls, fire pits, and outdoor seating areas, the gardens are the perfect destination for gathering with friends and family during your celebration.


Watermill Cuisine

At the Watermill, you'll find everything from mouth-watering hot & cold hors d’oeuvres and delicately balanced entrées to a dessert menu capable of satisfying any sweet tooth. Experience first-hand how each element can seamlessly come together to create a dining experience that your guests will be talking about for years to come.