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18th Century Military Encampment 

with the 3rd NY Regiment 

in Celebration of America’s 

250th Anniversary


Come join us on May 16-17, 2026, 

10:00 AM to 4:00 PM at Swezey Park. 

The 3rd NY Regiment 1775 Long Island Companies, a Revolutionary War reenactment group, will present an authentic 18th-century military encampment, recreating the daily life 

of Long Island soldiers and their families 

during the American Revolution.


Click here for more.



May 2026 General Meeting


Thursday, May 21, 2026

7:30 pm @ Swezey-Avey House

Refreshments will follow the meeting


Topic: A History of Middle Island and Surrounding Communities

Guest Speaker: Paul Infranco, Historian

Paul Infranco will discuss the history of

Middle Island and surrounding communities



Spring Yard Sale


Saturday, May 30, 2026

9:00 am – 4:00 pm

(Rain Date Sunday, May 31, 2026)


Vendors Set up 7:30 a.m. on the 

Hawkins House Lawns

No Reservation Required


Donation: $10 per vendor, payable onsite

Call (631) 775-0735 with questions


Click here for more



Yaphank 300th Anniversary 

Celebration Event


Sunday, June 7, 2026

Noon – 4:00 pm


Tour the Oldest House in Yaphank – The Robinson House – No reservations required

The home features an original fireplace and bread oven, wide plank flooring, 

and many other colonial features.


Park and start the tour at the 

Swezey-Avey House

19 Mill Road, Yaphank, NY

Or park on Walter Street, near the Firehouse


Refreshments at the Swezey-Avey House 

after the tour


Call (631) 775-0735 with questions


Please check back here for our 250th Anniversary celebration events.


It is the Society’s mission to collect, preserve and interpret the history of Yaphank and its surrounding area. 


GET INVOLVED

Become A Member. Join today and help support our mission. 

Become a Member


Make a Donation. Help us continue bringing events, exhibits, and educational programs 

to the community.

Donate


Volunteer. The Society needs people to help with our many projects, events and activities. No matter what your interest or skill, we have a role for you. If you would like to become a docent training is available.


Sign Up Here


The Robert David Lion Gardiner Foundation
Special Thanks for the many generous grants. View the most recent award for the restoration of the Hawkins Family Cemetery.

View here



Thanks to The Suffolk County Department of Parks, Division of Historic Services,

which manages over 200 historic structures containing an array of buildings, gardens and sites of cultural and historical significance. 


The Swezey Family


Visit the Swezey family exhibit in the Swezey-Avey House. The Swezey family arrived in Southold in the mid-1600s and in Yaphank in the 1700s. Come learn about the family’s lives into the 20th century. To visit, call (631) 775-0735 to make an appointment or email us at info@yaphankhistorical.org 

to make an appointment.


The Weeks Family Legacy


Yaphank’s most important family, the Weeks, settled in Millville (now Yaphank) in 1828. Portraitist William Sydney Mount was commissioned to paint James Huggins Weeks and his wife Susan Maria, in 1838. See this permanent exhibit at the Swezey-Avey House.


Our Library Collection, searchable by author,

title, subject, and date, and our Archives

with online Finding Aid, make excellent

research tools.




Coalition To Save The Yaphank Lakes

We are committed to clean and protect our

lakes, eradicate the invasive aquatic plants, restore their natural beauty, and preserve and protect the entire Carmans River environment.


Visit https://savetheyaphanklakes.org for more.

Our Shop features Yaphank and area history books; new, vintage & “almost-new” treasures.