| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Сафоново | city | Chukotskiy Avtonomnyy Okrug | Russia | 64.15 | 175.83 | 19 | 0 |
| Северный | city | Chukotskiy Avtonomnyy Okrug | Russia | 69.73 | 171.81 | 2509 | 0 |
| Секлюк | city | Chukotskiy Avtonomnyy Okrug | Russia | 64.63 | 172.55 | 830 | 0 |
| Сешан | city | Chukotskiy Avtonomnyy Okrug | Russia | 66.77 | -171.42 | 321 | 0 |
| Сешан | city | Chukotskiy Avtonomnyy Okrug | Russia | 66.77 | 171.43 | 1669 | 0 |
| Сигиник | city | Chukotskiy Avtonomnyy Okrug | Russia | 64.55 | -174.05 | 9 | 0 |
| Сиклюк | city | Chukotskiy Avtonomnyy Okrug | Russia | 64.52 | -172.48 | 961 | 0 |
| Синьзрун | city | Chukotskiy Avtonomnyy Okrug | Russia | 67.02 | 172.60 | 1669 | 0 |
| Сиреники | city | Chukotskiy Avtonomnyy Okrug | Russia | 64.41 | -173.95 | 0 | 0 |
| Ситько | city | Chukotskiy Avtonomnyy Okrug | Russia | 64.27 | 176.40 | 45 | 0 |
| Слава | city | Chukotskiy Avtonomnyy Okrug | Russia | 64.77 | 177.76 | 180 | 0 |
| Снежное | city | Chukotskiy Avtonomnyy Okrug | Russia | 65.45 | 172.98 | 55 | 0 |
| Собольково | city | Chukotskiy Avtonomnyy Okrug | Russia | 64.30 | 176.42 | 55 | 0 |
| Солдатово | city | Chukotskiy Avtonomnyy Okrug | Russia | 64.75 | 169.83 | 150 | 0 |
| Старичкова | city | Chukotskiy Avtonomnyy Okrug | Russia | 65.22 | 168.83 | 383 | 0 |
| Старые Ваеги | city | Chukotskiy Avtonomnyy Okrug | Russia | 63.95 | 170.72 | 285 | 0 |
| Старый Майн | city | Chukotskiy Avtonomnyy Okrug | Russia | 64.52 | 171.20 | 65 | 0 |
| Строительный | city | Chukotskiy Avtonomnyy Okrug | Russia | 69.65 | 170.20 | 0 | 0 |