| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
1801  | Sierra Tabaco | Dominican Republic, Santiago Rodríguez | mountains | N 19° 29′ 0'' | W 71° 13′ 0'' |
| 1802 | Loma del Tabacal | Dominican Republic, Azua Province Tábara Arriba > Tábara Abajo (D. M.). > Kilómetro 15 | hill | N 18° 29′ 54'' | W 70° 53′ 4'' |
| 1803 | Cerros del Tabacal | Dominican Republic, San Juan Province | hills | N 18° 45′ 30'' | W 71° 4′ 29'' |
| 1804 | Firme de Suriel | Dominican Republic, La Vega Constanza > Tireo (D. M.). > El Río | hill | N 18° 59′ 20'' | W 70° 38′ 59'' |
| 1805 | Cerros de la Surcita | Dominican Republic, Azua Province Las Yayas De Viajama > Las Yayas De Viajama > Viajama | hill | N 18° 38′ 12'' | W 70° 55′ 21'' |
| 1806 | Punta Sur | Dominican Republic, San Pedro de Macorís | point | N 18° 26′ 0'' | W 69° 19′ 0'' |
| 1807 | Cerro Sumido | Dominican Republic, San Juan Province San Juan de la Maguana > Pedro Corto (D. M.). > Punta Caña | hill | N 18° 54′ 32'' | W 71° 22′ 17'' |
| 1808 | Cerro Sucio | Dominican Republic, Santiago Province San José de Las Matas > El Rubio (D. M.). > Manacla | mountain | N 19° 17′ 6'' | W 71° 6′ 21'' |
| 1809 | Playa Sucia | Dominican Republic, San Pedro de Macorís San Pedro de Macorís > San Pedro De Macorís > San Pedro De Macorís (Zona Urbana) | beach | N 18° 29′ 0'' | W 69° 19′ 0'' |
| 1810 | Loma Sucia | Dominican Republic, Santiago Province | ridge(s) | N 19° 18′ 16'' | W 70° 50′ 56'' |
| 1811 | Loma Sucia | Dominican Republic, San José de Ocoa Sabana Larga > Sabana Larga > La Horma | mountain | N 18° 38′ 0'' | W 70° 36′ 0'' |
| 1812 | Loma Sucia | Dominican Republic, San José de Ocoa Sabana Larga > Sabana Larga > Sabana Larga | mountain | N 18° 37′ 0'' | W 70° 31′ 0'' |
| 1813 | Loma Sucia Loma Sucia | Dominican Republic, Baoruco Province Galván > Galván > Las Tejas | mountain | N 18° 35′ 43'' | W 71° 20′ 28'' |
| 1814 | Loma Sucia | Dominican Republic, Puerto Plata Luperón > La Isabela (D. M.). > Candelón | hill | N 19° 54′ 30'' | W 70° 59′ 53'' |
| 1815 | Gajo Subida del Gato | Dominican Republic, Elías Piña | spur(s) | N 19° 6′ 33'' | W 71° 25′ 17'' |
| 1816 | Firme de Suárez | Dominican Republic, San Cristóbal | ridge(s) | N 18° 28′ 6'' | W 70° 10′ 19'' |
| 1817 | Punta Sosúa | Dominican Republic, Puerto Plata Sosúa > Sosúa > Sabaneta De Cangrejos | point | N 19° 45′ 49'' | W 70° 33′ 28'' |
| 1818 | Loma de Sonador | Dominican Republic, Monseñor Nouel | slope(s) | N 18° 47′ 49'' | W 70° 24′ 17'' |
| 1819 | Loma de Sonador | Dominican Republic, Baoruco Province Tamayo > Tamayo > Barranca | hill | N 18° 32′ 16'' | W 71° 2′ 51'' |
| 1820 | Loma Sonador | Dominican Republic, Peravia Baní > Baní > El Recodo | mountain | N 18° 27′ 0'' | W 70° 20′ 0'' |
| 1821 | Loma Sonador | Dominican Republic, María Trinidad Sánchez Nagua > Arroyo Al Medio (D. M.). > El Guayabo | hill | N 19° 20′ 21'' | W 69° 57′ 39'' |
| 1822 | Loma de Sombrero | Dominican Republic, Elías Piña Pedro Santana > Pedro Santana > Guayajayuco | mountain | N 19° 9′ 30'' | W 71° 36′ 51'' |
| 1823 | Cerros de Sombrero | Dominican Republic, Baoruco Province | mountains | N 18° 34′ 0'' | W 71° 19′ 0'' |
| 1824 | Punta Sombrerito | Dominican Republic, María Trinidad Sánchez | point | N 19° 40′ 48'' | W 70° 1′ 28'' |
| 1825 | Cerro de Solar de Tino | Dominican Republic, San José de Ocoa | spur(s) | N 18° 33′ 0'' | W 70° 28′ 0'' |
| 1826 | Cerrito del Socorro | Dominican Republic, Pedernales Province Oviedo > Oviedo > Los Tres Charcos | hill | N 17° 41′ 52'' | W 71° 27′ 48'' |
| 1827 | Cerro Socabo | Dominican Republic, La Vega Constanza > Constanza > Constanza (Zona Urbana) | hill | N 18° 55′ 0'' | W 70° 44′ 0'' |
| 1828 | Loma de Sobacón | Dominican Republic, Elías Piña | hill | N 19° 2′ 51'' | W 71° 29′ 41'' |
| 1829 | Cerros de Sobacón | Dominican Republic, Azua Province | hills | N 18° 31′ 45'' | W 70° 54′ 34'' |
| 1830 | Loma Siseviera | Dominican Republic, María Trinidad Sánchez | ridge(s) | N 19° 35′ 0'' | W 69° 58′ 0'' |
| 1831 | Fondos de Sinforo | Dominican Republic, Pedernales Province | sinkhole | N 17° 51′ 0'' | W 71° 31′ 0'' |
| 1832 | Loma del Sinazo | Dominican Republic, Baoruco Province Tamayo > Cabeza De Toro (D. M.). > El Granado | hill | N 18° 36′ 19'' | W 71° 9′ 54'' |
| 1833 | Loma de Simón | Dominican Republic, Azua Province Las Charcas > Palmar De Ocoa (D. M.). > Duvergé | mountain | N 18° 19′ 43'' | W 70° 32′ 54'' |
| 1834 | Loma de Simón | Dominican Republic, Monte Plata Province Yamasá > Yamasá > Pantoa | hill | N 18° 48′ 49'' | W 70° 0′ 15'' |
| 1835 | Loma Silven | Dominican Republic, Independencia | spur(s) | N 18° 36′ 29'' | W 71° 52′ 41'' |
| 1836 | Loma de Silván | Dominican Republic, La Altagracia Province Higüey > Las Lagunas De Nisibón (D. M.). > Las Guamas | hill | N 18° 49′ 0'' | W 68° 42′ 0'' |
| 1837 | Loma Silvaín | Dominican Republic, La Altagracia Province Higüey > Las Lagunas De Nisibón (D. M.). > Cañada Honda | hill | N 18° 51′ 0'' | W 68° 43′ 0'' |
| 1838 | Loma Sillón Hondo | Dominican Republic, Santiago Province San José de Las Matas > San José De Las Matas > Mata Grande | peak | N 19° 5′ 16'' | W 71° 4′ 32'' |
| 1839 | Cerro del Sillón | Dominican Republic, San José de Ocoa | spur(s) | N 18° 32′ 21'' | W 70° 28′ 21'' |
| 1840 | Alto del Sillón | Dominican Republic, La Vega Constanza > Constanza > Maldonado | mountain | N 18° 52′ 9'' | W 70° 46′ 57'' |
| 1841 | Loma Silla Caballo | Dominican Republic, Monte Cristi Province Monte Cristi > Monte Cristi > El Rincón | hill | N 19° 51′ 48'' | W 71° 29′ 35'' |
| 1842 | Loma Siete Cabezas Loma Siete Cabezas | Dominican Republic, Monseñor Nouel Piedra Blanca > Piedra Blanca > Arroyo Vuelta | hill | N 18° 49′ 0'' | W 70° 15′ 0'' |
| 1843 | Loma de la Sierresita | Dominican Republic, Monte Cristi Province | slope(s) | N 19° 45′ 25'' | W 71° 15′ 23'' |
| 1844 | Loma de Sierra Prieta | Dominican Republic, Santiago Province San José de Las Matas | spur(s) | N 19° 12′ 5'' | W 71° 4′ 18'' |
| 1845 | Loma Sierra Pino Gordo | Dominican Republic, Santiago Rodríguez Sabaneta > San Ignacio De Sabaneta > Toma | mountain | N 19° 13′ 36'' | W 71° 15′ 57'' |
| 1846 | Loma Sierra Mocha | Dominican Republic, Elías Piña | ridge(s) | N 19° 10′ 50'' | W 71° 22′ 29'' |
| 1847 | Loma Sierra Firme | Dominican Republic, Santiago Province San José de Las Matas > El Rubio (D. M.). > Corocito | mountain | N 19° 11′ 19'' | W 71° 9′ 34'' |
| 1848 | Firme Severo | Dominican Republic, La Vega | slope(s) | N 19° 2′ 28'' | W 70° 52′ 6'' |
| 1849 | Cerro Severino | Dominican Republic, Baoruco Province Neiba > Neiba > Las Petacas | mountain | N 18° 32′ 0'' | W 71° 25′ 0'' |
| 1850 | Loma de Seterino | Dominican Republic, Monte Cristi Province Guayubín > Guayubín > Sabana Cruz | hill | N 19° 47′ 46'' | W 71° 21′ 38'' |
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