Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Lakeland County Park | Park | | Suffolk | 40 48 09 N | 073 09 20 W |
| Nesconset | Populated Place | 36 | Suffolk | 40 51 07 N | 073 09 14 W |
| Connetquot River State Park | Park | | Suffolk | 40 46 10 N | 073 09 10 W |
| Idle Hour Elementary School | School | | Suffolk | 40 44 06 N | 073 09 08 W |
| Youngs Island | Island | 0 | Suffolk | 40 55 22 N | 073 09 04 W |
| East Hauppauge | Populated Place | 27 | Suffolk | 40 50 05 N | 073 09 02 W |
| Mills Cemetery | Cemetery | 51 | Suffolk | 40 53 46 N | 073 09 02 W |
| Lower Pond | Reservoir | 1 | Suffolk | 40 44 53 N | 073 09 01 W |
| Stony Brook Yacht Club | Locale | | Suffolk | 40 55 14 N | 073 09 01 W |
| Seaview | Populated Place | 1 | Suffolk | 40 38 49 N | 073 08 56 W |
| Nicoll Point | Cape | 0 | Suffolk | 40 41 56 N | 073 08 56 W |
| Main Pond | Reservoir | 2 | Suffolk | 40 45 00 N | 073 08 53 W |
| Mills Pond | Lake | 45 | Suffolk | 40 53 51 N | 073 08 53 W |
| Stony Brook | Stream | | Suffolk | 40 55 44 N | 073 08 53 W |
| Connetquot Brook | Stream | | Suffolk | 40 44 42 N | 073 08 52 W |
| Dowling College | School | 3 | Suffolk | 40 44 33 N | 073 08 52 W |
| Rattlesnake Brook | Stream | | Suffolk | 40 44 42 N | 073 08 52 W |
| Crane Neck | Cape | 7 | Suffolk | 40 57 42 N | 073 08 50 W |
| East Beach | Beach | 0 | Suffolk | 40 42 15 N | 073 08 48 W |
| Timber Point Country Club | Locale | 3 | Suffolk | 40 43 03 N | 073 08 48 W |
| All Souls Episcopal Church | Church | 9 | Suffolk | 40 54 56 N | 073 08 48 W |
| Christian Avenue School | School | 13 | Suffolk | 40 55 14 N | 073 08 46 W |
| Cherokee Street Elementary School | School | | Suffolk | 40 49 15 N | 073 08 46 W |
| Fire Island | Populated Place | 1 | Suffolk | 40 38 51 N | 073 08 45 W |
| Grand Canal | Canal | 0 | Suffolk | 40 43 59 N | 073 08 44 W |
| West Meadow Beach | Beach | 1 | Suffolk | 40 56 13 N | 073 08 44 W |
| East Pond | Reservoir | 1 | Suffolk | 40 44 55 N | 073 08 40 W |
| Range Channel | Channel | -3 | Suffolk | 40 40 07 N | 073 08 35 W |
| West Meadow Wetlands Reserve | Park | | Suffolk | 40 56 16 N | 073 08 35 W |
| West Brook | Stream | | Suffolk | 40 45 01 N | 073 08 34 W |
| West Meadow | Swamp | 0 | Suffolk | 40 56 11 N | 073 08 34 W |
| Olson Memorial Town Park | Park | | Suffolk | 40 52 51 N | 073 08 34 W |
| Community School | School | 28 | Suffolk | 40 55 25 N | 073 08 33 W |
| Middle Brook | Stream | | Suffolk | 40 45 01 N | 073 08 31 W |
| Long Island Museum of American Art, History and Carriages | Building | | Suffolk | 40 54 42 N | 073 08 30 W |
| Maryville Convent | Church | 26 | Suffolk | 40 56 52 N | 073 08 28 W |
| Stony Brook | Populated Place | 27 | Suffolk | 40 55 32 N | 073 08 27 W |
| Mills Pond Elementary School | School | 33 | Suffolk | 40 52 34 N | 073 08 26 W |
| West Meadow Creek | Gut | 0 | Suffolk | 40 56 19 N | 073 08 25 W |
| Ocean Bay Park | Populated Place | 1 | Suffolk | 40 38 55 N | 073 08 24 W |
| Oak Hill Cemetery | Cemetery | 31 | Suffolk | 40 55 17 N | 073 08 24 W |
| Flax Pond | Lake | -1 | Suffolk | 40 57 48 N | 073 08 23 W |
| Gibbs Pond | Lake | 20 | Suffolk | 40 50 41 N | 073 08 21 W |
| Old Field Club | Locale | 0 | Suffolk | 40 56 47 N | 073 08 20 W |
| Oakdale | Populated Place | 3 | Suffolk | 40 44 38 N | 073 08 19 W |
| Stony Brook Girls School | School | 33 | Suffolk | 40 54 18 N | 073 08 19 W |
| Connetquot High School | School | 22 | Suffolk | 40 46 58 N | 073 08 18 W |
| Cleary School | School | 29 | Suffolk | 40 50 00 N | 073 08 15 W |
| Slade Pond | Lake | 3 | Suffolk | 40 45 11 N | 073 08 10 W |
| East Channel | Channel | -3 | Suffolk | 40 39 49 N | 073 08 07 W |
| Timber Point | Cape | 2 | Suffolk | 40 43 03 N | 073 08 06 W |
| Spectacle Pond | Lake | 21 | Suffolk | 40 50 09 N | 073 08 04 W |
| Byron Lake Park | Park | 1 | Suffolk | 40 44 17 N | 073 08 02 W |
| Helen B Duffield Elementary School | School | | Suffolk | 40 48 10 N | 073 07 59 W |
| Nicoll Island | Island | 0 | Suffolk | 40 43 12 N | 073 07 58 W |
| North Country School | School | 51 | Suffolk | 40 55 11 N | 073 07 58 W |
| Bethel Cemetery | Cemetery | | Suffolk | 40 56 06 N | 073 07 57 W |
| Oakdale Station | Locale | | Suffolk | 40 44 34 N | 073 07 55 W |
| Bohemia County Park | Park | | Suffolk | 40 46 35 N | 073 07 54 W |
| Lake Ronkonkoma | Populated Place | 22 | Suffolk | 40 50 06 N | 073 07 52 W |
| Smith Haven Mall Shopping Center | Locale | | Suffolk | 40 51 55 N | 073 07 50 W |
| Stony Brook School | School | 43 | Suffolk | 40 55 23 N | 073 07 47 W |
| Old Field | Populated Place | 2 | Suffolk | 40 57 35 N | 073 07 46 W |
| Edith L Slocum Elementary School | School | | Suffolk | 40 48 28 N | 073 07 44 W |
| Point o'Woods | Populated Place | 1 | Suffolk | 40 39 05 N | 073 07 43 W |
| Connetquot River | Stream | | Suffolk | 40 43 22 N | 073 07 41 W |
| Lake Ronkonkoma County Park | Park | | Suffolk | 40 50 12 N | 073 07 41 W |
| Stony Brook Station | Locale | | Suffolk | 40 55 18 N | 073 07 41 W |
| Nicoll Bay | Bay | -3 | Suffolk | 40 42 42 N | 073 07 38 W |
| Premm Learning Center | School | 2 | Suffolk | 40 44 22 N | 073 07 35 W |
| Interchange 59 | Crossing | 36 | Suffolk | 40 48 43 N | 073 07 30 W |
| State University of New York at Stony Brook | School | 38 | Suffolk | 40 55 02 N | 073 07 28 W |
| Ludlows Creek | Stream | | Suffolk | 40 43 39 N | 073 07 26 W |
| WUSB-FM (Stony Brook) | Tower | 41 | Suffolk | 40 54 59 N | 073 07 25 W |
| Bethel African Methodist Episcopal Church | Church | 14 | Suffolk | 40 56 33 N | 073 07 19 W |
| Lake Ronkonkoma | Lake | 16 | Suffolk | 40 49 42 N | 073 07 18 W |
| Agudat Achim Cemetery | Cemetery | 25 | Suffolk | 40 56 08 N | 073 07 18 W |
| Conscience Bay | Bay | 0 | Suffolk | 40 57 30 N | 073 07 16 W |
| Gould Pond | Lake | 28 | Suffolk | 40 50 57 N | 073 07 13 W |
| Christ Community Church | Church | | Suffolk | 40 53 34 N | 073 07 13 W |
| Lakeland | Populated Place | 30 | Suffolk | 40 48 28 N | 073 07 12 W |
| Sycamore Avenue Elementary School | School | | Suffolk | 40 45 33 N | 073 07 12 W |
| LaSalle Military Academy (historical) | School | | Suffolk | 40 43 48 N | 073 07 10 W |
| Saint Marys Church | Church | 23 | Suffolk | 40 49 55 N | 073 07 09 W |
| Newton Cemetery | Cemetery | 32 | Suffolk | 40 50 54 N | 073 07 07 W |
| Old Field Point | Cape | 12 | Suffolk | 40 58 36 N | 073 07 07 W |
| Setauket | Populated Place | 8 | Suffolk | 40 56 06 N | 073 07 06 W |
| Old Field Point Lighthouse | Locale | | Suffolk | 40 58 36 N | 073 07 06 W |
| Thompson House | Building | 8 | Suffolk | 40 56 00 N | 073 07 04 W |
| Saint Johns Church | Church | 5 | Suffolk | 40 44 07 N | 073 07 01 W |
| Saint Josephs School | School | 35 | Suffolk | 40 49 02 N | 073 07 01 W |
| Wing Street School | School | 35 | Suffolk | 40 51 52 N | 073 06 59 W |
| Saint Johns School | School | 19 | Suffolk | 40 46 12 N | 073 06 58 W |
| Setauket Millpond | Reservoir | | Suffolk | 40 56 49 N | 073 06 58 W |
| Saint John Nepomucene Roman Catholic Church | Church | | Suffolk | 40 46 09 N | 073 06 57 W |
| Health Sciences Center University Hospital Heliport | Airport | 65 | Suffolk | 40 54 27 N | 073 06 56 W |
| Saint Joseph's Church | Church | | Suffolk | 40 49 03 N | 073 06 56 W |
| Bohemia | Populated Place | 20 | Suffolk | 40 46 09 N | 073 06 54 W |
| Lake Grove | Populated Place | 36 | Suffolk | 40 51 10 N | 073 06 54 W |
| Lake Grove Post Office | Post Office | | Suffolk | 40 51 12 N | 073 06 53 W |
| Sunken Forest | Woods | 1 | Suffolk | 40 39 20 N | 073 06 48 W |
| Ronkonkoma | Populated Place | 34 | Suffolk | 40 48 55 N | 073 06 44 W |
| Caroline Church of Brookhaven | Church | 15 | Suffolk | 40 56 48 N | 073 06 44 W |
| Edward J Bosti Elementary School | School | | Suffolk | 40 45 15 N | 073 06 44 W |
| Lake Ronkonkoma Cemetery | Cemetery | 34 | Suffolk | 40 50 15 N | 073 06 43 W |
| Saint Lukes Episcopal Church | Church | | Suffolk | 40 46 09 N | 073 06 43 W |
| Saint James Cemetery | Cemetery | 27 | Suffolk | 40 56 07 N | 073 06 42 W |
| The Narrows | Channel | 2 | Suffolk | 40 58 12 N | 073 06 40 W |
| Saint Georges Country Club | Locale | 43 | Suffolk | 40 55 03 N | 073 06 39 W |
| Little Bay | Bay | 0 | Suffolk | 40 57 06 N | 073 06 38 W |