wedding & event rentals
NOW BOOKING 2025 & 2026 DATES!
Note: Due to our summer season schedule, we are unable to book rentals for dates in May, June, July, or the first two weeks of August.
With charming buildings and beautiful water views, the O’Neill is a wonderful place to hold your next private party, corporate event, wedding, or fundraiser.
For pricing, availability, and more information see below.
about our rentals
General Information:
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Only one event per day
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Campus attendant present throughout entire event
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Preferred tent and rental partner
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Preferred catering partners
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Up to 300 guests
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Nearby hotel accommodations
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Ability to rent multiple spaces
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On-site parking
Event Planning:
With a multitude of venues to choose from, the O'Neill is an ideal place for showers, conferences, parties, fundraisers, and more.
Wedding Planning:
Fall in love with the O’Neill's 19th-century mansions, farmhouses, cottages, and barns that dot our historic property which opens up to a rolling lawn with panoramic views of the Long Island Sound. Our various spaces can accommodate both indoor or outdoor ceremonies and receptions. Plus, bridal and groom suites are available. Centrally located two hours from New York City and Boston, the O'Neill is the perfect venue to host your wedding.
wedding and event planning services partner
Lisa Antonecchia
Creative Concepts by Lisa Events
Photo by Jeff Lunstrom
virtual tour
available spaces
pricing
Sunken Garden: Rentals begin at $4,000.
Nelson & Aida White House: Rentals begin at $1,600.
Sea Porch: Rentals begin at $1,600.
Rose Barn Theater: Rentals begin at $5,000.
Dina Merrill Theater: Rentals begin at $5,500.
Blue Gene's Pub: Rentals begin at $2,000.
Ceremony Fees–Edith Oliver Theater, Ampitheater, Sunken Garden: $1,000
Most base rental fees cover a 4-hour minimum. Additional fees may apply for longer events. Packages combining spaces are also available. Fill out our form below to learn more and create a package that is right for you!