[2] Name on the Register Image Date listed[3] Location City or town Description 1 Beachbend Upload image 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 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 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.[4] [5] 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 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 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 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 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.