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SUFFOLK COUNTY VANDERBILT MUSEUM

CENTERPORT, NY · EIN 116037002 · Form 990 · FY2024 · NTEE A500 · Arts, Culture & Humanities · Medium ($1M-$10M) · vanderbiltmuseum.org
revenue
$4.0M
expenses
$4.5M
net assets
$18.4M
employees
121
volunteers
92
program ratio
68%
mission · from form 990

THE SUFFOLK COUNTY VANDERBILT MUSEUM PRESERVES, INTERPRETS, AND SHARES THE HISTORIC EAGLE'S NEST ESTATE, COLLECTIONS, AND ARCHIVES OF WILLIAM K. VANDERBILT II FOR THE EDUCATION AND ENJOYMENT OF THE PUBLIC. THE MUSEUM SERVES AS A VITAL CULTURAL AND EDUCATIONAL RESOURCE, OFFERING EXHIBITIONS, PLANETARIUM PROGRAMS, AND HANDS-ON LEARNING EXPERIENCES THAT ENGAGE VISITORS OF ALL AGES. AS A DEPARTMENT OF SUFFOLK COUNTY, THE MUSEUM OPERATES AS A PUBLIC INSTITUTION STEWARDED BY A NONPROFIT ORGANIZATION IN PARTNERSHIP WITH THE COUNTY. THIS COLLABORATION ENSURES THE PRESERVATION OF THE 43-ACRE WATERFRONT ESTATE --LISTED ON THE NATIONAL REGISTER OF HISTORIC PLACES --AND ITS HISTORIC BUILDINGS, GARDENS, AND COLLECTIONS FOR FUTURE GENERATIONS.

profile · synthesized from sources

The Suffolk County Vanderbilt Museum preserves and interprets the historic Eagle's Nest estate, collections, and archives of William K. Vanderbilt II for public education and enjoyment. Located in Centerport, NY, it operates as a public institution stewarded by a nonprofit in partnership with Suffolk County. The museum offers exhibitions, planetarium programs, and hands-on learning experiences centered on the 43-acre waterfront estate listed on the National Register of Historic Places.

irs program accomplishments · form 990 part iii · fy2024

What they reported doing

  1. #1 primary $656K
    PLANETARIUM - THE VANDERBILT'S CHARLES AND HELEN REICHERT PLANETARIUM, WHICH FIRST OPENED IN 1971, REMAINS ONE OF LONG ISLAND'S PREMIER DESTINATIONS FOR IMMERSIVE SCIENCE EDUCATION AND ENTERTAINMENT. THE PLANETARIUM ENHANCES THE MUSEUM'S OFFERINGS WITH CUTTING-EDGE PROGRAMMING IN THE MOST TECHNOLOGICALLY ADVANCED THEATER OF ITS KIND IN THE REGION. SERVING THOUSANDS OF STUDENTS, FAMILIES, AND VISITORS EACH YEAR, THE PLANETARIUM PROVIDES CURRICULUM-BASED ASTRONOMY PROGRAMS FOR LOCAL SCHOOL DISTRICTS, AS WELL AS DIVERSE PUBLIC PROGRAMMING THAT INCLUDES FULL-DOME FILMS, LIVE STAR TALKS, LASER SHOWS, CONCERTS, AND SPECIAL COMMUNITY EVENTS. THE FACILITY IS ALSO AVAILABLE FOR PRIVATE AND CORPORATE RENTALS, EXPANDING ACCESS AND ENGAGEMENT OPPORTUNITIES THROUGHOUT THE YEAR.THE PLANETARIUM CONTINUES TO INVEST IN TECHNOLOGY UPGRADES, NEW FULL-DOME CONTENT, AND ENHANCED VISITOR EXPERIENCES. RECENT IMPROVEMENTS HAVE EXPANDED LIVE PROGRAMMING, ACCESSIBILITY, AND EDUCATIONAL OUTREACH, ENSURING THAT AUDIENCES OF ALL AGES ENJOY ENGAGING, INTERACTIVE EXPERIENCES THAT INSPIRE CURIOSITY ABOUT THE UNIVERSE. THE PLANETARIUM'S ROOFTOP OBSERVATORY REMAINS A FAVORITE COMMUNITY FEATURE, WELCOMING VISITORS EVERY FRIDAY EVENING (WEATHER PERMITTING). UNDER THE GUIDANCE OF ASTRONOMY EDUCATORS, GUESTS EXPLORE THE NIGHT SKY THROUGH THE VANDERBILT'S 16-INCH MEADE REFLECTING TELESCOPE, DEEPENING PUBLIC APPRECIATION OF ASTRONOMY AND SCIENCE EDUCATION. THROUGH ITS INNOVATIVE PROGRAMMING, PARTNERSHIPS WITH SCHOOLS, AND COMMITMENT TO ADVANCING SCIENCE LITERACY, THE PLANETARIUM SERVES AS A VITAL EDUCATIONAL AND CULTURAL RESOURCE FOR THE REGION.
  2. #2 $304K
    EDUCATIONAL SERVICES - THESE EXPENSES RELATE TO THE VARIOUS EDUCATIONAL PROGRAMS PRESENTED BY THE STAFF OF THE MUSEUM. ALSO INCLUDED ARE COSTS RELATING TO THE GROUP TOURS OF THE GROUNDS AND ADMISSIONS TO THE MUSEUM. EAGLE'S NEST IS THE SUMMER HOME OF WILLIAM K. VANDERBILT II, THE GREAT-GRANDSON OF CORNELIUS VANDERBILT. LISTED ON THE NATIONAL REGISTER OF HISTORIC PLACES, EAGLE'S NEST WAS BUILT INITIALLY IN 1910 AS A SMALL ENGLISH COTTAGE. OVER THE NEXT 30 YEARS, THE HOUSE GREW INTO THE SPRAWLING 24 ROOM SPANISH-REVIVAL MANSION THAT IS SEEN TODAY. EAGLE'S NEST WAS DESIGNED BY FAMED ARCHITECTS WARREN AND WETMORE, WHO TOOK INSPIRATION FROM THE ARCHITECTURE OF SPAIN AND NORTHERN AFRICA, AND ADORNED WITH IRONWORK MADE BY MASTER CRAFTSMAN SAMUEL YELLIN. UNIQUE AMONG MANY MANSIONS, EAGLE'S NEST WAS NOT ONLY BUILT WITH LIVING SPACE FOR MR. VANDERBILT AND HIS FAMILY, BUT ALSO MUSEUM SPACE WHERE VANDERBILT COULD SHOWCASE THE THOUSANDS OF NATURAL HISTORY AND CULTURAL SPECIMENS HE HAD COLLECTED FROM HIS TRAVELS. THE MANSION'S LIVING QUARTERS OFFERS AN INTIMATE LOOK AT THE LIFE OF A PRIVILEGED FAMILY FROM THE JAZZ AGE THROUGH THE SECOND WORLD WAR. THE ROOMS ARE AS WILLIAM AND ROSAMOND VANDERBILT LEFT THEM, FILLED WITH PRICELESS ART, FURNISHINGS, AND PERSONAL POSSESSIONS. WHEN VISITORS WALK THROUGH THE VANDERBILT MANSION, THEY ENTER A "LIVING MUSEUM," AN ENCHANTING TIME CAPSULE OF A VANISHED ERA. MR. VANDERBILT'S OCEANIC EXPEDITIONS AND UNPRECEDENTED CIRCUMNAVIGATIONS OF THE GLOBE MAKE IT POSSIBLE FOR VISITORS TO JOURNEY AROUND THE PLANET WITHOUT LEAVING LONG ISLAND. HIS SPECIMEN-HUNTING TRIPS TO THE GALAPAGOS ISLANDS, THROUGHOUT THE PACIFIC, ASIA, THE MEDITERRANEAN, AFRICA, THE ATLANTIC AND CARIBBEAN, YIELDED THOUSANDS OF SPECIMENS OF MARINE, BIRD AND INSECT LIFE, SOME OF THEM NEW DISCOVERIES AT THE TIME VANDERBILT FOUND THEM. WANTING TO SHARE HIS COLLECTION WITH THE WORLD, MR. VANDERBILT CONSTRUCTED SEVERAL MUSEUM SPACES THROUGHOUT THE ESTATE. TODAY, VISITORS CAN EXPLORE 4 SEPARATE WINGS TO SEE THESE COLLECTIONS. THESE WINGS ARE AS FOLLOWS: THE MEMORIAL WING, THE HABITAT WING, THE NURSERY WING, AND THE HALL OF FISHES.
named programs · 4 · from sources

What they call their work

Estate Walk and Talk Tours
Seasonal guided outdoor tours explore the architecture, history, and collections of the Eagle's Nest estate and its grounds.
Mansion Tours
Guided tours of the Vanderbilt family living quarters provide historical insight into the life of William K. Vanderbilt II and his family during the Jazz Age through WWII, showcasing period rooms and personal artifacts.
Museum Exhibits
Permanent exhibits include the Hall of Fishes marine museum, natural history and cultural artifact galleries, and Habitat and Stoll Wing animal dioramas, showcasing specimens collected during Vanderbilt's global expeditions.
Reichert Planetarium
Offers immersive astronomy programming including full-dome films, live star talks, laser shows, and concerts using a Konica Minolta Infinium star projector and full-dome video system. Serves school groups and the public with curriculum-based and general interest shows.
activities · 9 groups

What they do

  • Public Astronomy & Space Science Education 2 activities
    • Operates rooftop observatory for public astronomy viewing
      Runs a weekly public observatory on Friday evenings featuring a 16-inch Meade reflecting telescope guided by astronomy educators to enhance public engagement with space science.
    • Provides planetarium and astronomy education programs
      Operates a planetarium with daytime and evening shows featuring astronomy content, live star talks, laser-light shows set to music, and full-dome films; also offers curriculum-based astronomy programs for schools and public audiences.
  • Free Outdoor & Community Theater Productions 1 activity
    • Hosts annual Shakespeare in the Courtyard festival and theatrical productions
      Stages annual theatrical productions, including Shakespearean plays such as Hamlet, The Tempest, Twelfth Night, and Oedipus, in the Spanish Revival Courtyard of the Vanderbilt Mansion from May through September on scheduled Wednesdays, Fridays, and Sundays.
  • Historic Site Public Programming 1 activity
    • Hosts public events and special programs
      Organizes concerts, lectures, and community events such as live music performances and benefit events to expand public access and engagement with the museum and estate.
  • Onsite & Outreach Environmental Education Programs 1 activity
    • Offers educational programs for K-12 and lifelong learners
      Delivers curriculum-aligned and recreational educational programming, including weeklong science workshops for children in grades K–3 combining nature exploration and art, as well as group tours and public lectures.
  • Guided Historic Site Tours 1 activity
    • Offers guided walking tours of the Vanderbilt Estate and Mansion
      Provides scheduled guided tours of the Vanderbilt Estate, including the Mansion’s private living quarters, architectural features, Samuel Yellin's ironwork, and historical context of the Eagle’s Nest estate and William K. Vanderbilt II’s life.
  • Community Space Provision 1 activity
    • Offers planetarium rentals for private and corporate events
      Makes the planetarium facility available for private and corporate rentals to broaden community engagement and public access to the venue.
  • Curated Art Exhibitions and Public Displays 1 activity
    • Operates museum exhibits and public exhibitions
      Manages permanent and rotating museum exhibits, including marine, natural history, and cultural artifact collections such as The Hall of Fishes, and hosts outdoor sculpture exhibitions and special art displays on-site.
  • Accessibility Services for Cultural Programs 1 activity
    • Provides accessibility services for visitors with limited mobility
      Offers ADA-compliant restrooms, accessible parking, wheelchair seating in the planetarium, video tours for those unable to navigate stairs, and transportation via golf cart, tram, or mini-van to ensure inclusive access to the estate and facilities.
  • Uncategorized 1 activity
    • Manages museum operations and facility maintenance
      Performs ongoing maintenance of museum buildings, grounds, security, utilities, and visitor facilities, including a $4 million planetarium theater renovation completed in 2013 to upgrade seating, sound, and projection systems.
financials · form 990 · fy2024
revenue
Total revenue$3.97M
Contributions & grants$2.00M50%
Program service revenue$1.36M34%
Investment income$1K0%
Other revenue$611K
expenses
Total expenses$4.52M
Program expenses68%
Admin / overhead22%
Fundraising10%
Salaries & benefits$3.09M
Grants paid out$0
Largest expense lineCompensation
balance sheet
Total assets$19.00M
Cash$1.88M
Investments$0
Liabilities$571K
Net assets$18.43M
Liquid reserves5.0 mo
3 years on record · 2020–2024 · YoY revenue -6.9%
leadership · form 990 part vii · fy2024

Who runs it

paid leadership · 1
NameTitleHours/wkCompensation
ELIZABETH WAYLAND-MORGAN EXECUTIVE DIRECTOR 40 $186K
board members · 13
  • ANTHONY GUARNASCHELLI — TRUSTEE
  • CINDY ELAN-MANGANO — TRUSTEE
  • DIANE MCNALLY — TRUSTEE
  • ELIZABETH CAMBRIA — SECRETARY
  • GRETCHEN OLDRIN-MONES — FIRST VICE PRESIDENT
  • JACK DEMASI — SECOND VICE PRESIDENT
  • JAMES KELLY — PRESIDENT
  • KATHLEEN GIAMO — TRUSTEE
  • KEN PATRICK JOHNSON — TRUSTEE
  • LAURA GERDE — TREASURER
  • STEPHEN F MELORE — TRUSTEE
  • STEVEN GITTELMAN PHD — TRUSTEE
  • THOMAS GLASCOCK — TRUSTEE
relationships · 18

Who they work with

  • American Alliance of Museums Network — Provides reciprocal admission benefits to AAM cardholders at the Vanderbilt Museum.
  • Association of Children’s Museums Partner — Administers the Museums for All program, which the Vanderbilt Museum implements to provide SNAP/EBT cardholders with free admission.
  • Astronomical Society of Long Island Partner — Collaborates on public astronomy programming at the Reichert Planetarium in Centerport, NY.
  • Bank of America Partner — Participates in the Bank of America Museums on Us program, offering free admission to cardholders on the first full weekend of each month.
  • Carriage House Players Partner — Collaborates to present the Shakespeare in the Courtyard festival.
  • Discover Long Island Partner — Recognized as the 2024 Partner of the Year for collaboration in promoting Long Island cultural attractions.
  • Institute of Museum and Library Services Government — Administers the Museums for All program in partnership with the Association of Children’s Museums, which the Vanderbilt Museum participates in.
  • International Planetarium Society Network — Member organization sharing ideas and best practices with global planetariums and educational institutions.
  • Long Island Museum Association Network — Member of a regional museum association promoting Long Island cultural institutions.
  • National Aeronautics and Space Administration Government — Utilizes NASA's up-to-date space science information and mission data for educational programming.
  • North American Reciprocal Museum Association Network — Provides reciprocal admission benefits to NARM cardholders at the Vanderbilt Museum.
  • Sagamore Hill National Historic Site Partner — Collaborative relationship promoting historic sites on Long Island, with mutual encouragement of visitation.
  • Smiros & Smiros Architects Partner — Collaborates with the museum to provide architectural insights during mansion tours.
  • Suffolk County Government — Museum operates as a department of Suffolk County through a stewardship partnership between the county and the nonprofit organization.
  • Suffolk County Government — Recipient of the Vanderbilt estate and a $2,000,000 endowment for its perpetuation.
  • Walt Whitman Birthplace State Historic Site Partner — Collaborative relationship promoting historic sites on Long Island, with mutual encouragement of visitation.
  • Warren & Wetmore Partner — Architectural firm whose design of the Spanish Revival mansion is featured in museum tours and educational programming.
  • We May Be Right Partner — Billy Joel tribute band performing at the museum's concert event
strategies · 5

How they approach the work

Named approaches extracted from this org’s sources. Where others share an approach, follow it to see the full set of orgs running it.

  • Accessibility-Integrated Historic Site Engagement
    methodology: accessibility_accommodation_in_historic_sites
    By providing alternative access solutions in historic spaces, the museum enables inclusion of visitors with special needs, because accommodating physical and sensory diversity ensures equitable educational and cultural access despite architectural constraints.
  • Community-Engaged Cultural Programming
    methodology: community-engaged_cultural_programming
    By hosting informal, family-friendly events such as outdoor theater and picnic-style attendance, the museum lowers barriers to participation and fosters broad community engagement with cultural and historic resources, because casual, accessible formats increase public comfort and attendance.
  • Experiential History Education
    methodology: experiential_history_education
    By guiding visitors through the mansion using narratives and preserved environments, the museum creates an immersive connection to the historical lifestyle of William K. Vanderbilt II, because experiential engagement fosters deeper public understanding and emotional resonance with the past.
  • Historic Site-Based Education and Preservation
    methodology: historic-site-based_education
    By preserving and interpreting the historic Eagle’s Nest estate and personal collections, the museum provides informal education and cultural enrichment, because physical heritage sites serve as authentic, multidimensional learning environments.
  • Immersive Science Education via Planetarium
    methodology: immersive_science_education
    By using planetarium technology to simulate space exploration, the museum enhances public understanding of astronomy, because immersive visualization makes complex scientific concepts accessible and engaging to non-specialist audiences.