Rent Our Space

Visit our Platinum LEED Certified Watershed Center for your next event. The Watershed promotes a sustainable, low waste, environmentally friendly venue. We have a variety of spaces available for private, non-profit and corporate events.

Gorrie Hall

Accommodates up to 75 guests seated. Perfect space for receptions, cocktail parties, and large general meetings. The space can be configured for audience or table seating. This space features a magical view facing out towards the Kate Gorrie Butterfly house, rain gardens with native plantings and the historic farm house that served as the Watershed offices for many years and was the long-time home of Dr. Muriel Buttinger.

$225 per hour

Betty Wold Johnson Learning Center

This dividable classroom environment can accommodate up to 100 people seated audience style, or 60 seated at tables. With the dividing wall closed each room holds up to 50 people or 30 seated classroom style. A/V capabilities with a speaker podium are available built into the room logistics including panel presentation options by request. This space features a spectacular northern view looking out onto the Watershed Reserve.

$150 per hour / $75 per hour individually

Conference Room

A private conference room that can accommodate up to 15 people sitting around a conference table or up to 25 for an audience style presentation. Conference call and projector capabilities are available upon request. This space features a spectacular northern view looking out onto the Watershed Reserve.

$75 per hour

Kingsford Room

A cozy sizable conference space that accommodates 45 people adjacent to the historic farm house. Speaker podium, restroom, conference calling and kitchenette are available to all rental groups.

$75 per hour

Weddings & Milestone Events

The environmental center is available to weddings, bar/bat mitzvahs, anniversaries, and other large celebrations of 75-125 guests.

$3,000 per event
(Larger events which would require outdoor tented space will be considered for an additional fee. Please contact us for more details.)


Catering/Food services are not provided, however the Watershed will provide an approved list of local food service, rental, and floral vendors who meet our requirements for a sustainable, low waste event. The Watershed has a small kitchen that can be used for light food prep and staging. There is no additional charge for the use of the kitchen. Tables and chairs will be provided for your event. Waste and recycling receptacles are provided – use of disposable plastic, balloons, and styrofoam are strictly prohibited. Recyclable and compostable dishware can be provided for a fee. For more details, ask about our catering guidelines.

Rental Requirements:

All renters, including organizations, businesses, schools, clubs, and municipalities must submit the following information prior to the scheduled event:

  • 25% non-refundable deposit – balance is due one week prior to the event
  • Signed Watershed Rental Agreement
  • Insurance Certificate/Accord listing Stony Brook-Millstone Watershed Association as additional insured
  • Hold Harmless Agreement
  • Groups of 75 people or more must submit a $200 refundable security deposit
  • Alcohol may be served with proof of host liquor liability insurance & bartender service.

All guests are encouraged to take a hike on the Watershed Reserve as part of your event. Hikes can be guided or self-led by simply choosing one of our marked trails. Groups interested in adding a guided hike can inquire during the reservation process.

To reserve your date, begin by filling out the form or contact: