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Wide view of an elegant ballroom set with round dining tables, gold chairs, crystal chandeliers, and a lit DJ setup.
Elegantly set round wedding reception tables featuring tall white and blush floral centerpieces, gold chargers, and warm chandelier lighting.
Exterior view of a yellow historic mansion wedding venue with green shutters, a stone fountain, and manicured trees in the courtyard.

Private Events

From galas and fundraisers to corporate gatherings, mitzvahs, and milestone celebrations, The Mansion at Oyster Bay welcomes every occasion with the grandeur of a former Gold Coast estate. Grand rooms, sweeping grounds, and tailored service turn each event into a memorable affair.

Private Event Packages

Signature Packages for Any Occasion

Foundations Package

Essential coordination with simple décor and florals.

Full-day planning with premium décor and catering.

Grand Affair Package

All-inclusive luxury with bespoke design and top-tier vendors.

Ultimate Diamond Package

All-inclusive luxury with bespoke design and top-tier vendors.

A lavish cocktail hour buffet table filled with fresh fruits, cheeses, crackers, dips, and Caprese salad.

Menus

Cocktail and Reception Menu

Bar / Bat Mitzvah

All Day Meeting

Brunch Buffet

Deluxe Golf Package

Golf Package

Sit Down Dinner

Sweet 16

Enhancements

Warmly lit, dark wood-paneled room featuring a black grand piano with glowing candles and large windows in the background.

Gallery

Moments That Shape Your Story

From corporate galas to private milestones, see how the estate transforms for celebrations of every shape — each filled with the warmth that defines The Mansion.

Private Event Amenities

Accommodates up to 500 guests for a seated dinner or 600 guests for a cocktail-style reception.

Maximum one event at a time.

Venue Spaces & Amenities

  • Air conditioned
  • Ceremony
  • Coat check
  • Dance floor
  • Guest accommodations
  • Outdoor cocktail area
  • Outdoor reception area
  • Separate reception room
  • Terrace

Food & Beverage

  • Continental cuisine

  • Kitchen on premises

  • Required in-house caterer

  • Required in-house liquor

Service & Entertainment

  • AV equipment (rental fee)

  • Ceremony space (outdoor & indoor)

  • In-house party planner

  • Live music

  • Off premise available

  • DJ

Booking Information

Room availability (hours)

All hours

Seasonal pricing flexibility

Yes

Advanced deposit required

Yes

Advanced booking required

Yes

Price range per person

Starting at $109

Our Partners

Exceptional Weddings Begin with Trusted Experts.

At The Mansion at Oyster Bay, we partner with a carefully curated selection of trusted wedding vendors who share our passion for excellence. From florals and photography to entertainment and décor, our recommended professionals are experienced, reliable, and dedicated to bringing your vision to life. With their expertise and our elegant venue, your special day will unfold seamlessly from start to finish.

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