Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Saint Pauls Church | Church | 12 | Baltimore (city) | 39 13 45 N | 076 35 17 W |
| Saint Pauls Church of God Apostolic | Church | 43 | Baltimore (city) | 39 18 24 N | 076 34 49 W |
| Saint Pauls English Evangelical Lutheran Church | Church | 22 | Baltimore (city) | 39 17 25 N | 076 34 13 W |
| Saint Pauls Episcopal Church | Church | 22 | Baltimore (city) | 39 17 31 N | 076 36 54 W |
| Saint Pauls Methodist Church | Church | 19 | Baltimore (city) | 39 17 54 N | 076 34 37 W |
| Saint Pauls Roman Catholic Church | Church | 37 | Baltimore (city) | 39 18 26 N | 076 35 52 W |
| Saint Pauls School (historical) | School | 85 | Baltimore (city) | 39 18 50 N | 076 39 29 W |
| Saint Pauls School (historical) | School | 123 | Baltimore (city) | 39 21 32 N | 076 39 36 W |
| Saint Pauls United Methodist Church | Church | 31 | Baltimore (city) | 39 17 33 N | 076 38 03 W |
| Saint Peter Clavers Roman Catholic Church | Church | 58 | Baltimore (city) | 39 18 21 N | 076 38 19 W |
| Saint Peter Clavers School | School | 59 | Baltimore (city) | 39 18 21 N | 076 38 20 W |
| Saint Peter Evangelical Lutheran Church of Norwood | Church | 92 | Baltimore (city) | 39 20 29 N | 076 35 34 W |
| Saint Peters Cemetery | Cemetery | 61 | Baltimore (city) | 39 18 09 N | 076 39 25 W |
| Saint Peters College | School | 98 | Baltimore (city) | 39 16 32 N | 076 42 02 W |
| Saint Peters Roman Catholic Church | Church | 24 | Baltimore (city) | 39 17 17 N | 076 37 54 W |
| Saint Peters School | School | 24 | Baltimore (city) | 39 17 18 N | 076 37 54 W |
| Saint Pius Memorial Roman Catholic Church | Church | 38 | Baltimore (city) | 39 17 43 N | 076 38 02 W |
| Saint Rose of Lima Roman Catholic Church | Church | 22 | Baltimore (city) | 39 14 05 N | 076 36 23 W |
| Saint Rose of Lima School | School | 23 | Baltimore (city) | 39 14 01 N | 076 36 21 W |
| Saint Stanislaus Cemetery | Cemetery | 14 | Baltimore (city) | 39 16 36 N | 076 32 10 W |
| Saint Stanislaus Roman Catholic Church | Church | 3 | Baltimore (city) | 39 16 59 N | 076 35 30 W |
| Saint Stanislaus School | School | -3 | Baltimore (city) | 39 17 00 N | 076 36 30 W |
| Saint Stephens Church of God | Church | 54 | Baltimore (city) | 39 19 27 N | 076 36 13 W |
| Saint Theresas Roman Catholic Church | Church | 45 | Baltimore (city) | 39 19 27 N | 076 34 20 W |
| Saint Thomas Aquinas Roman Catholic Church | Church | 87 | Baltimore (city) | 39 19 58 N | 076 38 01 W |
| Saint Thomas Aquinas School | School | 88 | Baltimore (city) | 39 19 58 N | 076 37 59 W |
| Saint Thomas Episcopal Church | Church | 64 | Baltimore (city) | 39 19 34 N | 076 35 37 W |
| Saint Thomas Evangelical Lutheran Church | Church | 32 | Baltimore (city) | 39 16 57 N | 076 38 59 W |
| Saint Veronica Roman Catholic Church | Church | 29 | Baltimore (city) | 39 14 57 N | 076 37 30 W |
| Saint Vincent De Paul Roman Catholic Church | Church | 5 | Baltimore (city) | 39 17 28 N | 076 36 23 W |
| Saint Vincents Cemetery | Cemetery | 48 | Baltimore (city) | 39 19 10 N | 076 34 49 W |
| Saint Vincents Infants Home | Building | 141 | Baltimore (city) | 39 21 23 N | 076 42 21 W |
| Saint Wenceslaus Roman Catholic Church | Church | 26 | Baltimore (city) | 39 18 01 N | 076 35 13 W |
| Saint Wenceslaus School | School | 28 | Baltimore (city) | 39 18 00 N | 076 35 13 W |
| Saint William of York Roman Catholic Church | Church | 119 | Baltimore (city) | 39 17 33 N | 076 42 10 W |
| Saint William of York School | School | 119 | Baltimore (city) | 39 17 34 N | 076 42 11 W |
| Saints Peter and Paul Ukrainian Catholic Church | Church | 27 | Baltimore (city) | 39 13 23 N | 076 35 22 W |
| Saints Philip and James Roman Catholic Church | Church | 61 | Baltimore (city) | 39 19 21 N | 076 37 01 W |
| Saints Philip and James School | School | 55 | Baltimore (city) | 39 19 15 N | 076 37 06 W |
| Saints Stephen and James United Lutheran Church | Church | 5 | Baltimore (city) | 39 16 40 N | 076 36 57 W |
| Salem Evangelical Lutheran Church | Church | 21 | Baltimore (city) | 39 16 19 N | 076 36 34 W |
| Salem United Methodist Church | Church | 31 | Baltimore (city) | 39 17 17 N | 076 34 07 W |
| Samuel F B Morse Elementary School | School | 31 | Baltimore (city) | 39 16 54 N | 076 39 02 W |
| Samuel Ready School | School | 135 | Baltimore (city) | 39 17 34 N | 076 42 39 W |
| Sarah M Roach Elementary School | School | 59 | Baltimore (city) | 39 16 56 N | 076 40 28 W |
| Saratoga Junior High School (historical) | School | 31 | Baltimore (city) | 39 17 31 N | 076 38 14 W |
| Schenley Recreation Center | Park | 99 | Baltimore (city) | 39 20 42 N | 076 37 51 W |
| School of Mary Our Queen | School | 122 | Baltimore (city) | 39 21 31 N | 076 37 41 W |
| School of the Chimes | School | 104 | Baltimore (city) | 39 22 05 N | 076 39 34 W |
| School of the Most Precious Blood | School | 24 | Baltimore (city) | 39 19 22 N | 076 33 10 W |
| Scott Street Baptist Church | Church | 8 | Baltimore (city) | 39 16 47 N | 076 37 43 W |
| Sea Wall Junction | Locale | 9 | Baltimore (city) | 39 14 24 N | 076 35 43 W |
| Searchlight Training Center for Retarded Children | School | 127 | Baltimore (city) | 39 20 32 N | 076 41 20 W |
| Second Baptist Church | Church | 36 | Baltimore (city) | 39 18 32 N | 076 36 45 W |
| Second Congregational Church | Church | 15 | Baltimore (city) | 39 16 47 N | 076 34 06 W |
| Second English Lutheran Church | Church | 127 | Baltimore (city) | 39 17 34 N | 076 42 30 W |
| Second Presbyterian Church | Church | 79 | Baltimore (city) | 39 20 24 N | 076 37 05 W |
| Seton Business Park | Locale | 129 | Baltimore (city) | 39 20 45 N | 076 42 24 W |
| Seton High School | School | 60 | Baltimore (city) | 39 19 19 N | 076 37 04 W |
| Seton Hill Historic District | Park | 30 | Baltimore (city) | 39 17 47 N | 076 37 27 W |
| Seton Institute | Hospital | 135 | Baltimore (city) | 39 20 58 N | 076 42 28 W |
| Seven Foot Knoll Light | Locale | 1 | Baltimore (city) | 39 17 02 N | 076 36 21 W |
| Sevenfoot Knoll Lighthouse | Locale | 1 | Baltimore (city) | 39 16 59 N | 076 36 15 W |
| Sexton United Methodist Church | Church | 27 | Baltimore (city) | 39 16 06 N | 076 39 08 W |
| Shaarei Tfiloh Congregation | Church | 98 | Baltimore (city) | 39 19 10 N | 076 39 03 W |
| Shaarei Tzedek Synagogue | Church | 129 | Baltimore (city) | 39 20 34 N | 076 40 07 W |
| Shaarei Zion Religious Center | Church | 135 | Baltimore (city) | 39 21 42 N | 076 41 60 W |
| Sharon Baptist Church | Church | 61 | Baltimore (city) | 39 18 18 N | 076 38 30 W |
| Sharon Seventh Day Adventist Church | Church | 28 | Baltimore (city) | 39 18 10 N | 076 36 49 W |
| Sharp Street Memorial United Methodist Church | Church | 44 | Baltimore (city) | 39 18 02 N | 076 37 43 W |
| Sharp-Leadenhall School | School | 5 | Baltimore (city) | 39 16 35 N | 076 37 09 W |
| Shearith Israel Synagogue | Church | 136 | Baltimore (city) | 39 21 20 N | 076 41 15 W |
| Shiloh African Methodist Episcopal Church | Church | 106 | Baltimore (city) | 39 18 55 N | 076 41 02 W |
| Shiloh Christian Community Church | Church | 37 | Baltimore (city) | 39 17 09 N | 076 39 24 W |
| Shoresville (historical) | Populated Place | 18 | Baltimore (city) | 39 16 52 N | 076 33 16 W |
| Shot Tower | Locale | 5 | Baltimore (city) | 39 17 25 N | 076 36 19 W |
| Shrine of the Little Flower Roman Catholic Church | Church | 50 | Baltimore (city) | 39 19 25 N | 076 34 18 W |
| Shrine of the Little Flower School | School | 50 | Baltimore (city) | 39 19 26 N | 076 34 18 W |
| Shryocks Wharf | Locale | 0 | Baltimore (city) | 39 16 44 N | 076 35 49 W |
| Silver Lake | Reservoir | 32 | Baltimore (city) | 39 15 19 N | 076 38 58 W |
| Simmons Memorial Baptist Church | Church | 62 | Baltimore (city) | 39 18 32 N | 076 38 30 W |
| Sinclair Lane Elementary School | School | 35 | Baltimore (city) | 39 18 54 N | 076 33 39 W |
| Sledds Point | Cape | 1 | Baltimore (city) | 39 13 04 N | 076 34 21 W |
| Smith Cove | Bay | 0 | Baltimore (city) | 39 15 33 N | 076 37 51 W |
| Soper Library | Building | 69 | Baltimore (city) | 39 20 50 N | 076 35 00 W |
| Sosourner Douglas College | School | 12 | Baltimore (city) | 39 17 46 N | 076 35 54 W |
| South Baltimore | Populated Place | 17 | Baltimore (city) | 39 16 22 N | 076 36 20 W |
| South Baltimore Memorial Methodist Church | Church | 30 | Baltimore (city) | 39 17 32 N | 076 38 09 W |
| South Baltimore Recreation Center | Park | 8 | Baltimore (city) | 39 16 40 N | 076 36 47 W |
| South Locust Point Marine Terminal | Locale | 1 | Baltimore (city) | 39 15 45 N | 076 35 29 W |
| South Station Baltimore Post Office | Post Office | 4 | Baltimore (city) | 39 16 30 N | 076 37 07 W |
| Southeast Baltimore Catholic Academy Father Kolbe Campus | School | | Baltimore (city) | 39 16 49 N | 076 34 37 W |
| Southeast Middle School | School | | Baltimore (city) | 39 17 07 N | 076 31 58 W |
| Southeast Station Baltimore Post Office | Post Office | 29 | Baltimore (city) | 39 17 16 N | 076 34 10 W |
| Southeastern District Police Station | Building | 30 | Baltimore (city) | 39 17 15 N | 076 32 50 W |
| Southern Baptist Church | Church | 36 | Baltimore (city) | 39 18 19 N | 076 35 49 W |
| Southern District Police Station | Building | 9 | Baltimore (city) | 39 16 30 N | 076 36 48 W |
| Southern Health District Clinic | Hospital | 11 | Baltimore (city) | 39 16 32 N | 076 36 43 W |
| Southern High School | School | 12 | Baltimore (city) | 39 16 43 N | 076 36 39 W |
| Southwest Baptist Church | Church | 26 | Baltimore (city) | 39 17 13 N | 076 38 24 W |
| Southwest District Police Station | Building | 28 | Baltimore (city) | 39 16 42 N | 076 39 51 W |
| Southwestern High School | School | 49 | Baltimore (city) | 39 17 01 N | 076 39 52 W |
| Spencer Science Hall | Building | 71 | Baltimore (city) | 39 20 47 N | 076 34 57 W |
| Spring Garden Channel | Channel | 25 | Baltimore (city) | 39 15 11 N | 076 37 27 W |
| Spring Gardens | Populated Place | 12 | Baltimore (city) | 39 16 03 N | 076 38 40 W |
| Star of Bethlehem African Methodist Episcopal Church | Church | 17 | Baltimore (city) | 39 15 43 N | 076 38 41 W |
| Star of Bethlehem Spiritual Temple | Church | 52 | Baltimore (city) | 39 17 52 N | 076 38 12 W |
| Starr Methodist Protestant Church | Church | 113 | Baltimore (city) | 39 19 01 N | 076 40 39 W |
| State of Maryland Health Center | Hospital | 44 | Baltimore (city) | 39 19 00 N | 076 37 00 W |
| Steuart Hill Elementary School | School | 37 | Baltimore (city) | 39 17 13 N | 076 38 36 W |