THE HISTORICAL
MARKER DATABASE
“Bite-Size Bits of Local, National, and Global History”
 
 
 
 
 
 
3 entries match your criteria.  

 
 

Historical Markers and War Memorials in Yaphank

 
Clickable Map of Suffolk County, New York and Immediately Adjacent Jurisdictions image/svg+xml 2019-10-06 U.S. Census Bureau, Abe.suleiman; Lokal_Profil; HMdb.org; J.J.Prats/dc:title> https://commons.wikimedia.org/wiki/File:Usa_counties_large.svg Suffolk County, NY (532) Nassau County, NY (543) Greater Bridgeport Region, CT (171) South Central Region, CT (545) Southeastern Region, CT (490) Washington County, RI (141)  SuffolkCounty(532) Suffolk County (532)  NassauCounty(543) Nassau County (543)  (171) Greater Bridgeport Region (171)  SouthCentralRegion(545) South Central Region (545)  SoutheasternRegion(490) Southeastern Region (490)  WashingtonCountyRhode Island(141) Washington County (141)
Riverhead is the county seat for Suffolk County
Yaphank is in Suffolk County
Suffolk County (532)  ►
ADJACENT TO SUFFOLK COUNTY
Nassau County (543)  ►
Greater Bridgeport Region, Connecticut (171)  ►
South Central Region, Connecticut (545)  ►
Southeastern Region, Connecticut (490)  ►
Washington County, Rhode Island (141)  ►
 
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1 ► New York, Suffolk County, Yaphank — Camp Upton —
2 ► New York, Suffolk County, Yaphank — Lily Lake —
3 ► New York, Suffolk County, Yaphank — 375 — Mary L. Booth —
 
 
  
  
 
 
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Nov. 11, 2026