Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Sunny Ridge School (historical) | School | 238 | Henderson | 40 39 05 N | 090 48 30 W |
| Sunny Side Cemetery | Cemetery | 177 | Bond | 38 59 47 N | 089 35 04 W |
| Sunny Slope Cemetery | Cemetery | 206 | Livingston | 40 53 25 N | 088 24 41 W |
| Sunny Slope School (historical) | School | 178 | Sangamon | 39 38 24 N | 089 41 09 W |
| Sunny Yard School (historical) | School | 207 | Christian | 39 25 16 N | 089 06 28 W |
| Sunnybrook Meadows | Populated Place | 178 | Adams | 39 54 21 N | 091 23 24 W |
| Sunnydale Elementary School | School | 246 | Cook | 42 00 56 N | 088 09 37 W |
| Sunnydale Park | Park | 246 | Cook | 42 00 38 N | 088 09 36 W |
| Sunnydale Park | Park | 233 | DuPage | 41 45 50 N | 088 02 00 W |
| Sunnydale School (historical) | School | 204 | Livingston | 40 49 40 N | 088 43 12 W |
| Sunnyland | Populated Place | 208 | Tazewell | 40 41 29 N | 089 30 29 W |
| Sunnyland Plaza Shopping Center | Locale | 218 | Tazewell | 40 41 30 N | 089 28 55 W |
| Sunnyside | Populated Place | 232 | McHenry | 42 23 22 N | 088 13 34 W |
| Sunnyside | Populated Place | 271 | Stephenson | 42 21 24 N | 089 54 49 W |
| Sunnyside | Populated Place | 122 | Williamson | 37 48 13 N | 089 03 15 W |
| Sunnyside (subdivision) | Populated Place | 184 | Cook | 41 57 47 N | 087 39 59 W |
| Sunnyside Elementary School | School | 199 | Cook | 41 53 24 N | 087 54 13 W |
| Sunnyside Park | Park | 215 | DuPage | 41 56 28 N | 088 03 45 W |
| Sunnyside Park | Park | 232 | DuPage | 41 51 12 N | 088 05 23 W |
| Sunnyside Park | Park | 205 | Macon | 39 51 26 N | 089 00 53 W |
| Sunnyside Public School (historical) | School | 123 | Williamson | 37 48 13 N | 089 03 06 W |
| Sunnyside Road Church | Church | 205 | Macon | 39 50 58 N | 089 00 56 W |
| Sunnyside School | School | 203 | Macon | 39 51 13 N | 089 00 55 W |
| Sunnyside School (historical) | School | 144 | Clinton | 38 35 08 N | 089 11 50 W |
| Sunnyside School (historical) | School | 225 | Fulton | 40 37 09 N | 090 07 44 W |
| Sunnyside School (historical) | School | 150 | Hamilton | 38 10 06 N | 088 41 07 W |
| Sunnyside School (historical) | School | 233 | Henry | 41 20 09 N | 090 13 56 W |
| Sunnyside School (historical) | School | 226 | Knox | 40 53 55 N | 090 14 27 W |
| Sunnyside School (historical) | School | 175 | Logan | 40 02 56 N | 089 26 48 W |
| Sunnyside School (historical) | School | 206 | Macoupin | 39 08 57 N | 089 43 07 W |
| Sunnyside School (historical) | School | 215 | McDonough | 40 28 34 N | 090 53 11 W |
| Sunnyside School (historical) | School | 223 | Mercer | 41 04 44 N | 090 31 59 W |
| Sunnyside School (historical) | School | 192 | Montgomery | 39 11 31 N | 089 22 50 W |
| Sunnyside School (historical) | School | 184 | Morgan | 39 46 29 N | 090 20 49 W |
| Sunnyside School (historical) | School | 245 | Ogle | 42 10 34 N | 089 29 30 W |
| Sunnyside School (historical) | School | 140 | Richland | 38 44 41 N | 088 07 37 W |
| Sunnyside School (historical) | School | 203 | Sangamon | 39 41 46 N | 089 57 52 W |
| Sunnyside School (historical) | School | 268 | Stephenson | 42 12 56 N | 089 34 15 W |
| Sunnyside School (historical) | School | 194 | Whiteside | 41 36 00 N | 089 50 34 W |
| Sunnyside School (historical) | School | 209 | Will | 41 18 36 N | 087 50 35 W |
| Sunnyside Village Hall | Building | 230 | McHenry | 42 23 16 N | 088 13 36 W |
| Sunnyview School (historical) | School | 165 | Greene | 39 12 25 N | 090 27 39 W |
| Sunnywood Park | Park | 190 | Cook | 41 51 17 N | 087 50 55 W |
| Sunrise Baptist Church | Church | 184 | Cook | 41 52 26 N | 087 44 14 W |
| Sunrise Developmental Center | School | 197 | Cook | 41 55 53 N | 087 47 10 W |
| Sunrise Hills | Populated Place | 194 | Montgomery | 39 13 51 N | 089 36 34 W |
| Sunrise Missionary Baptist Church | Church | 181 | Cook | 41 46 54 N | 087 39 06 W |
| Sunrise Park | Park | 197 | Cook | 42 03 04 N | 087 55 38 W |
| Sunrise Park | Park | 244 | DuPage | 41 58 01 N | 088 12 00 W |
| Sunrise Park | Park | 204 | DuPage | 41 56 58 N | 087 56 02 W |
| Sunrise Park | Park | 215 | Edgar | 39 37 08 N | 087 41 08 W |
| Sunrise Park | Park | 175 | Lake | 42 16 46 N | 087 47 40 W |
| Sunrise Point Picnic Area | Locale | 134 | Hamilton | 38 03 39 N | 088 24 23 W |
| Sunrise Ridge | Populated Place | 265 | McHenry | 42 22 45 N | 088 22 00 W |
| Sunrise School (historical) | School | 158 | Greene | 39 11 19 N | 090 25 07 W |
| Sunrise School (historical) | School | 244 | Knox | 41 03 23 N | 090 21 27 W |
| Sunset Cemetery | Cemetery | 164 | Adams | 39 57 26 N | 091 24 18 W |
| Sunset Center Shopping Center | Locale | 253 | Kane | 42 01 34 N | 088 18 23 W |
| Sunset Coal Mine | Mine | 138 | Madison | 38 45 40 N | 090 00 27 W |
| Sunset Harbor | Populated Place | 161 | Williamson | 37 37 00 N | 088 56 05 W |
| Sunset Hill Golf Club | Locale | 276 | Ogle | 42 03 20 N | 089 26 18 W |
| Sunset HillCemetery | Cemetery | 119 | Saline | 37 43 47 N | 088 33 40 W |
| Sunset Hills Country Club | Locale | 158 | Madison | 38 46 43 N | 089 59 52 W |
| Sunset Hills Dam Number 1 | Dam | 177 | Tazewell | 40 32 24 N | 089 37 06 W |
| Sunset Hills Dam Number 2 | Dam | 180 | Tazewell | 40 32 18 N | 089 37 00 W |
| Sunset Hills Elementary School | School | 196 | Tazewell | 40 32 51 N | 089 36 30 W |
| Sunset Hills Golf Course | Locale | 192 | Tazewell | 40 32 36 N | 089 36 45 W |
| Sunset Hills Golf Course Lake | Reservoir | 182 | Tazewell | 40 32 24 N | 089 36 48 W |
| Sunset Hills Golf Course Lake Dam | Dam | 182 | Tazewell | 40 32 24 N | 089 36 48 W |
| Sunset Hills Lake Number 1 | Reservoir | 177 | Tazewell | 40 32 24 N | 089 37 06 W |
| Sunset Hills Lake Number 2 | Reservoir | 180 | Tazewell | 40 32 18 N | 089 37 00 W |
| Sunset Hills Memorial Estates Cemetery | Cemetery | 166 | Madison | 38 45 58 N | 089 59 50 W |
| Sunset Knoll Park | Park | 223 | DuPage | 41 52 04 N | 088 01 47 W |
| Sunset Lake | Reservoir | 195 | Macoupin | 39 26 10 N | 089 51 22 W |
| Sunset Lake | Reservoir | 247 | McLean | 40 36 30 N | 089 06 36 W |
| Sunset Lake | Reservoir | 139 | Wayne | 38 20 18 N | 088 21 12 W |
| Sunset Lake Dam | Dam | 139 | Wayne | 38 20 18 N | 088 21 12 W |
| Sunset Lake Subdivision Dam | Dam | 247 | McLean | 40 36 30 N | 089 06 36 W |
| Sunset Landing | Locale | 132 | Calhoun | 38 56 45 N | 090 39 49 W |
| Sunset Landing Strip | Airport | 165 | Greene | 39 17 41 N | 090 09 37 W |
| Sunset Marina | Locale | 171 | Rock Island | 41 29 06 N | 090 36 20 W |
| Sunset Meadows Park | Park | 208 | Cook | 42 04 13 N | 088 00 05 W |
| Sunset Memorial Cemetery | Cemetery | 144 | Jefferson | 38 18 48 N | 088 57 41 W |
| Sunset Memorial Cemetery | Cemetery | 213 | Vermilion | 40 11 57 N | 087 37 42 W |
| Sunset Memorial Gardens | Cemetery | 224 | Winnebago | 42 20 57 N | 089 02 02 W |
| Sunset Memorial Lawns | Cemetery | 197 | Cook | 42 05 50 N | 087 49 55 W |
| Sunset Memorial Park | Cemetery | 138 | Perry | 38 03 19 N | 089 14 35 W |
| Sunset Memorial Park | Park | 214 | Vermilion | 40 11 55 N | 087 37 41 W |
| Sunset Nature Trail | Trail | 276 | Jo Daviess | 42 26 53 N | 090 03 24 W |
| Sunset Park | Park | 175 | Adams | 39 56 50 N | 091 24 53 W |
| Sunset Park | Park | 230 | Cook | 42 00 13 N | 088 04 01 W |
| Sunset Park | Park | 202 | Cook | 42 03 00 N | 087 56 40 W |
| Sunset Park | Park | 228 | DuPage | 41 56 09 N | 088 02 10 W |
| Sunset Park | Park | 244 | DuPage | 41 57 38 N | 088 11 56 W |
| Sunset Park | Park | 207 | DuPage | 41 57 17 N | 087 56 51 W |
| Sunset Park | Park | 231 | DuPage | 41 51 47 N | 088 04 23 W |
| Sunset Park | Park | 219 | Edgar | 39 36 50 N | 087 42 29 W |
| Sunset Park | Park | 226 | Kane | 41 52 43 N | 088 19 27 W |
| Sunset Park | Park | 182 | La Salle | 41 19 30 N | 089 08 29 W |
| Sunset Park | Park | 237 | Lake | 42 22 28 N | 088 06 00 W |
| Sunset Park | Park | 171 | Rock Island | 41 29 12 N | 090 36 05 W |
| Sunset Park | Park | 205 | Will | 41 38 00 N | 088 05 57 W |
| Sunset Park | Park | 238 | Winnebago | 42 16 41 N | 089 07 08 W |
| Sunset Park School | School | 203 | Cook | 42 03 06 N | 087 56 46 W |
| Sunset Picnic Area | Locale | 163 | Henderson | 40 57 48 N | 090 56 26 W |
| Sunset Plaza Shopping Center | Locale | 192 | Tazewell | 40 32 59 N | 089 36 33 W |
| Sunset Ridge Country Club | Locale | 200 | Cook | 42 06 48 N | 087 47 45 W |
| Sunset Ridge Elementary School | School | 198 | Cook | 42 06 22 N | 087 47 23 W |
| Sunset Ridge Park | Park | 213 | Cook | 42 09 11 N | 087 59 24 W |
| Sunset Ridge Woods | Woods | 197 | Cook | 42 07 43 N | 087 47 33 W |