# National Register of Historic Places listings in Smithtown (town), New York

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This list is intended to provide a comprehensive listing of entries in the National Register of Historic Places in Town of Smithtown, New York. The locations of National Register properties for which the latitude and longitude coordinates are included below, may be seen in an online map.

## Listings

| | Name on the Register | Image | Date listed | Location | City or town | Description |
| 1 | Beachbend | Beachbend | August 9, 1993 (#93000698) | Smith Lane 40°54′10″N 73°11′03″W﻿ / ﻿40.902778°N 73.184167°W﻿ / 40.902778; -73.184167﻿ (Beachbend) | Nissequogue | |
| 2 | Blydenburgh Park Historic District | Blydenburgh Park Historic District More images | August 11, 1983 (#83001807) | Blydenburgh County Park 40°50′36″N 73°13′34″W﻿ / ﻿40.843333°N 73.226111°W﻿ / 40.843333; -73.226111﻿ (Blydenburgh Park Historic District) | Smithtown | |
| 3 | Box Hill Estate | Upload image | December 4, 1973 (#73001276) | Northwest of St. James on Moriches Road 40°53′22″N 73°10′36″W﻿ / ﻿40.889444°N 73.176667°W﻿ / 40.889444; -73.176667﻿ (Box Hill Estate) | St. James | |
| 4 | By-the-Harbor | Upload image | August 9, 1993 (#93000699) | Moriches Road 40°53′30″N 73°10′51″W﻿ / ﻿40.891667°N 73.180833°W﻿ / 40.891667; -73.180833﻿ (By-the-Harbor) | Nissequogue | |
| 5 | East Farm | East Farm | August 9, 1993 (#93000700) | Harbor Road, North side, at Shep Jones Lane 40°54′48″N 73°09′17″W﻿ / ﻿40.913333°N 73.154722°W﻿ / 40.913333; -73.154722﻿ (East Farm) | Head of the Harbor | |
| 6 | First Presbyterian Church | First Presbyterian Church More images | December 23, 1977 (#77000983) | 175 East Main Street 40°51′24″N 73°11′18″W﻿ / ﻿40.856667°N 73.188333°W﻿ / 40.856667; -73.188333﻿ (First Presbyterian Church) | Branch | |
| 7 | Fort Salonga | Upload image | May 21, 1982 (#82003406) | Address Restricted | Fort Salonga | |
| 8 | Halliock Inn | Halliock Inn | August 7, 1974 (#74001310) | 263 East Main Street 40°51′20″N 73°10′50″W﻿ / ﻿40.855556°N 73.180556°W﻿ / 40.855556; -73.180556﻿ (Halliock Inn) | Branch | |
| 9 | Harbor House | Harbor House | August 9, 1993 (#93000701) | Spring Hollow Road 40°53′48″N 73°10′44″W﻿ / ﻿40.896667°N 73.178889°W﻿ / 40.896667; -73.178889﻿ (Harbor House) | Nissequogue | |
| 10 | Hauppauge Methodist Episcopal Church | Hauppauge Methodist Episcopal Church | August 27, 2020 (#100005484) | 473 Town Line Road 40°49′31″N 73°12′20″W﻿ / ﻿40.8253°N 73.2055°W﻿ / 40.8253; -73.2055﻿ (Hauppauge Methodist Episcopal Church) | Hauppauge | |
| 11 | Land of Clover | Land of Clover | August 9, 1993 (#93000702) | Long Beach Road, South side 40°54′48″N 73°11′12″W﻿ / ﻿40.913333°N 73.186667°W﻿ / 40.913333; -73.186667﻿ (Land of Clover) | Nissequogue | The former Lathrop Brown Estate, now occupied by a private boarding school called The Knox School. |
| 12 | The Mallows | Upload image | August 9, 1993 (#93000703) | Emmet Way 40°54′59″N 73°09′07″W﻿ / ﻿40.916389°N 73.151944°W﻿ / 40.916389; -73.151944﻿ (The Mallows) | Head of the Harbor | |
| 13 | Mills Pond District | Mills Pond District More images | August 1, 1973 (#73001277) | East of St. James on NY 25A 40°54′02″N 73°08′58″W﻿ / ﻿40.900556°N 73.149444°W﻿ / 40.900556; -73.149444﻿ (Mills Pond District) | St. James | |
| 14 | James W. and Anne Smith Phyfe Estate | Upload image | August 9, 1993 (#93000704) | 87 Stillwater Road 40°54′34″N 73°11′04″W﻿ / ﻿40.909444°N 73.184444°W﻿ / 40.909444; -73.184444﻿ (James W. and Anne Smith Phyfe Estate) | Nissequogue | |
| 15 | Rassapeague | Rassapeague | August 9, 1993 (#93000705) | Long Beach Road, South side 40°54′58″N 73°10′55″W﻿ / ﻿40.916111°N 73.181944°W﻿ / 40.916111; -73.181944﻿ (Rassapeague) | Nissequogue | |
| 16 | William J. Ryan Estate | Upload image | August 9, 1993 (#93000706) | Moriches Road 40°54′07″N 73°11′20″W﻿ / ﻿40.901944°N 73.188889°W﻿ / 40.901944; -73.188889﻿ (William J. Ryan Estate) | Nissequogue | |
| 17 | Saint James District | Saint James District | July 20, 1973 (#73001275) | On NY 25A 40°53′02″N 73°09′46″W﻿ / ﻿40.883889°N 73.162778°W﻿ / 40.883889; -73.162778﻿ (Saint James District) | Saint James | |
| 18 | St. James Firehouse | St. James Firehouse | August 4, 2023 (#100009195) | 533 NY 25A 40°53′14″N 73°09′31″W﻿ / ﻿40.8872°N 73.1585°W﻿ / 40.8872; -73.1585﻿ (St. James Firehouse) | Saint James | |
| 19 | Shore Cottage | Upload image | August 9, 1993 (#93000707) | Harbor Road, East side 40°53′39″N 73°10′23″W﻿ / ﻿40.894167°N 73.173056°W﻿ / 40.894167; -73.173056﻿ (Shore Cottage) | Head of the Harbor | |
| 20 | Obadiah Smith House | Obadiah Smith House More images | December 6, 1996 (#96001422) | 853 Saint Johnland Road 40°53′38″N 73°13′47″W﻿ / ﻿40.893889°N 73.229722°W﻿ / 40.893889; -73.229722﻿ (Obadiah Smith House) | Kings Park | |
| 21 | Thatch Meadow Farm | Upload image | February 20, 2020 (#93000711) | Harbor Rd., west side, opposite Bacon Rd. 40°54′31″N 73°09′32″W﻿ / ﻿40.9085°N 73.1588°W﻿ / 40.9085; -73.1588﻿ (Thatch Meadow Farm) | Head of the Harbor | Last remaining portion of old estate, built on 18th century farm. |
| 22 | Village of Branch Historic District | Upload image | September 11, 1986 (#86002514) | Along north side of Middle Country Road 40°51′56″N 73°10′59″W﻿ / ﻿40.865556°N 73.183056°W﻿ / 40.865556; -73.183056﻿ (Village of Branch Historic District) | Branch | |
| 23 | Frederick and Annie Wagner Residence and St. Patrick's Roman Catholic Church | Frederick and Annie Wagner Residence and St. Patrick's Roman Catholic Church More images | August 8, 2019 (#100004240) | 37 Juniper Avenue & 38 Mayflower Avenue 40°51′17″N 73°12′08″W﻿ / ﻿40.8548°N 73.2023°W﻿ / 40.8548; -73.2023﻿ (Frederick and Annie Wagner Residence and St. Patrick's Roman Catholic Church) | Smithtown | 1912 Gustav Stickley house for early American motorsports promoter, and adjacent Tudor Revival Catholic church that served Smithtown's Irish American community from same era |
| 24 | Kate Annette Wetherill Estate | Kate Annette Wetherill Estate | August 9, 1993 (#93000708) | Harbor Hill Road, South side 40°53′32″N 73°10′11″W﻿ / ﻿40.892222°N 73.169722°W﻿ / 40.892222; -73.169722﻿ (Kate Annette Wetherill Estate) | Head of the Harbor | |
| 25 | Woodcrest | Upload image | August 9, 1993 (#93000709) | Moriches Road 40°54′00″N 73°10′59″W﻿ / ﻿40.9°N 73.183056°W﻿ / 40.9; -73.183056﻿ (Woodcrest) | Nissequogue | |
| 26 | Wyandanch Club Historic District | Wyandanch Club Historic District More images | August 3, 1990 (#90001143) | Jericho Turnpike, southwest of its junction with Meadow Road 40°51′03″N 73°13′40″W﻿ / ﻿40.850833°N 73.227778°W﻿ / 40.850833; -73.227778﻿ (Wyandanch Club Historic District) | Smithtown | |
| 27 | York Hall | York Hall | October 23, 2023 (#100009455) | 799 Saint Johnland Rd. 40°53′49″N 73°14′10″W﻿ / ﻿40.8970°N 73.2361°W﻿ / 40.8970; -73.2361﻿ (York Hall) | Kings Park | Former Kings Park Asylum main auditorium, church, and theater. |