Call: (631) 854-5579
Calling Hours: Mon-Fri 9am-4pm
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Museum and Planetarium Hours & Admission

Hours

Regular Museum, Mansion and Grounds Hours
Sunday: 11:15 am – 4:00 pm
Monday: Closed
Tuesday: 12:00 pm – 4:00 pm
Wednesday: Closed
Thursday: Closed
Friday: Closed
Saturday: 11:15 am – 4:00 pm

Regular Daytime Planetarium Showtimes
Sunday: 11:30 am; 12:15 pm; 1:00 pm; 2:00 pm; 3:00 pm; 4:00 pm
Monday: Closed
Tuesday: 1 show at 2:00 pm
Wednesday: Closed
Thursday: Closed
Friday: Closed
Saturday: 11:30 am; 12:15 pm; 1:00 pm; 2:00 pm; 3:00 pm; 4:00 pm

Evening Planetarium Showtimes
Thursday: 8:15 pm
Friday: 8:00 pm; 9:00 pm; 10:00 pm
Saturday: 8:00 pm; 9:00 pm; 10:00 pm

Click to Download Full 2020 Calendar
Click Here for Planetarium Show Schedule

Administrative Office Hours
Monday – Friday: 10:00 am – 4:00 pm

Holiday Closures
New Year’s Eve
New Year’s Day
Easter Sunday
Memorial Day
July 4th
Labor Day
Thanksgiving Day
Christmas Eve
Christmas Day

Admission

General Admission - NO Show or Tour

Includes access to the Estate grounds, 3 Museum wings in the Mansion and the Marine Museum

  • Adult: $8
  • Senior (62+)/student with ID: $7
  • Children age 12 and under: $5
  • Children age 2 and under: FREE (Please let us know if you have a child that qualifies.)

Planetarium show or Mansion tour

  • Adult: $14
  • Senior (62+)/student with ID: $13
  • Children age 12 and under: $11
  • Children age 2 and under: FREE (Please let us know if you have a child that qualifies.)
Click Here to Purchase Daytime Planetarium Tickets

Planetarium show and Mansion tour

Weekdays

  • Adult: $20
  • Senior (62+)/student with ID: $19
  • Children age 12 and under: $17
  • Children age 2 and under: FREE (Please let us know if you have a child that qualifies.)

Evening Planetarium Show

Friday and Saturday Evenings

  • Adult: $10
  • Senior (62+)/student with ID: $9
  • Children age 12 and under: $8
  • Children age 2 and under: FREE (Please let us know if you have a child that qualifies.)
Click Here to Purchase Evening Planetarium Tickets
Blue Start Museum
IPS
Bank of America Logo

Present your Bank of America®, Merrill Lynch® or U.S. Trust® credit or debit card and a photo ID on the first full weekend of every month for one free general admission.

Free general admission is limited to the cardholder at participating institution. Museum hours and participation varies. Excludes special exhibitions, ticketed shows and tours and fundraising events. Not to be combined with other offers.

See admission prices for Bank of America Cardholders here.