| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Subyaquiru | city | San Martin | Peru | -5.95 | -76.91 | 3349 | 2220 |
| Sucllaquiro | city | San Martin | Peru | -5.95 | -76.91 | 3349 | 2220 |
| Suiza | city | San Martin | Peru | -6.51 | -76.70 | 2670 | 4196 |
| Sullana | city | San Martin | Peru | -6.73 | -76.68 | 1669 | 1951 |
| Surquillo | city | San Martin | Peru | -5.80 | -77.27 | 2575 | 3500 |