Florida - Criteria: A (event)
| Seminole Heights Residential District |
| Seminole Inn |
| Seminole Rest |
| Seybold Baking Company Factory |
| Shady Grove Primitive Baptist Church |
| Sherman Arcade |
| Shoreland Arcade |
| Silver Palm Schoolhouse |
| Sloppy Joe's Bar |
| Smallwood, Ted, Store |
| Smith, Archie, Wholesale Fish Company |
| Smith, H. W., Building |
| Smoky Hollow Historic District |
| Sneads Community House and Old Pump |
| Snyder Memorial Methodist Episcopal Church |
| Solla-Carcaba Cigar Factory |
| Sombrero Key Light |
| Sopchoppy Depot |
| Sopchoppy High School Gymnasium, Old |
| Sopchoppy School |
| Souder, Paul M., House |
| South Beach Street Historic District |
| South Brooksville Avenue Historic District |
| Southern Cassadaga Spiritualist Camp Historic District |
| South Florida Military College |
| South Jacksonville Grammar School |
| South Lake Morton Historic District |
| South Ridgewood Elementary School |
| South River Drive Historic District |
| Southside School |
| South Side School |
| South Third Street Historic District |
| South Ward School |
| Southwick-Harmon House |
| Spanish Coquina Quarries |
| Spanish Fleet Survivors and Salvors Camp Site |
| Springfield Historic District |
| Spring Lake Community Center |
| SS AMERICAN VICTORY (Victory ship) |
| St. Anastasia Catholic School, Old |
| Standard Oil Service Station |
| St. Andrew School |
| St. Anthony School |
| Stanton, Edwin M., School |
| Star Garage |
| St. Augustine Alligator Farm Historic District |
| St. Augustine Civic Center |
| St. Augustine Lighthouse and Keeper's Quarters |
| St. Augustine National Cemetery |
| St. Augustine Town Plan Historic District |
| St. Augustine Water Works |
| St. Cloud Depot |
| Stetson University Campus Historic District |
| Stevens-Gilchrist House |
| St. James A. M. E. Church |
| St. John's Episcopal Church |
| St. Johns Light |
| St. John's Lighthouse |
| St. Joseph's Catholic Church |
| St. Joseph's Church Buildings |
| St Leo Abbey Historic District |
| St. Lucie High School |
| St. Lucie Village Historic District |
| St. Luke's Episcopal Church and Cemetery, Old |
| St. Margaret's Episcopal Church and Cemetery |
| St. Mark's Episcopal Church |
| St. Marks Episcopal Church |
| St. Marks Lighthouse |
| St. Mary's Church |
| St. Michael's Creole Benevolent Association Hall |
| ST. NICHOLAS III (Sponge Diving Boat) |
| ST. NICHOLAS VI (Sponge Diving Boat) |
| St. Petersburg Lawn Bowling Club |
| St. Petersburg Public Library |
| St. Petersburg Woman's Club |
| Strawn Historic Agricultural District |
| Strawn Historic Citrus Packing House District |
| Strawn Historic Sawmill District |
| Strickland-Herold House |
| St. Rita's Colored Catholic Mission |
| Stuart Welcome Arch |
| Studebaker Building |
| Sunrise Theatre |
| Suwannee County Courthouse |
| Sweeting Homestead |
| Taber Duplex |
| Talahloka |
| Tallahassee Historic District Zones I And II |
| Tall Timbers Plantation |
| Tampa Bay Hotel |
| Tampa Free Public Library, Old |
| Tampa Heights Historic District |
| Tampa Theater and Office Building |
| Tarpon Springs City Hall, Old |
| Tarpon Springs Greektown Historic District |
| Tarpon Springs High School, Old |
| Tarpon Springs Historic District |
| Tarragona Tower |
| Taylor County Jail, Old |
| Taylor House |
Data from United States Park Service and Wikidata
