| 351 |  Soviet Travel Backpack backpacks | veteran | 6.75 kg | — | — |
| 352 |  Soviet Champagne drink | veteran | 0.1 kg | — | — |
| 353 |  Soulreaper other | master | — | — | — |
| 354 |  Soul Collector other | master | — | — | — |
| 355 |  Sotnik other | master | — | — | — |
| 356 |  Solyanka food | master | 0.1 kg | — | — |
| 357 |  Solid Metal misc | stalker | 0.1 kg | 2,984 rubles | — |
| 358 |  SOK-94 sniper rifle | stalker | 4 kg | — | 100% |
| 359 |  Snowshoe other | veteran | — | — | — |
| 360 |  Snowdrop other | veteran | — | — | — |
| 361 |  Snowdrift Camouflage other | newbie | — | — | — |
| 362 |  Snowdrift Camouflage other | newbie | — | — | — |
| 363 |  Snares other arts | default | 0.3 kg | 30,800 rubles | — |
| 364 |  Snake Eye biochemical | default | 0.2 kg | 28,700 rubles | — |
| 365 |  Snail biochemical | default | 0.3 kg | 9,300 rubles | — |
| 366 |  SN-2u Leglet device | default | 2.2 kg | — | 100% |
| 367 |  SN-2 Leg device | default | 2.8 kg | — | 100% |
| 368 |  SN-1u Mini-Pancake device | default | 2.5 kg | — | 100% |
| 369 |  SN-1 Pancake device | default | 3 kg | — | 100% |
| 370 |  SMG-91 Magazine mag | default | 0.128 kg | — | — |
| 371 |  SMG Nut submachine gun | veteran | 1.9 kg | — | 100% |
| 372 |  Smesson pistol | veteran | 1.1 kg | — | 100% |
| 373 |  Smell of Napalm other | master | — | — | — |
| 374 |  SMC Container containers | master | 4.8 kg | — | — |
| 375 |  Small Tank of Combustible Mixture bullet | default | 0.75 kg | — | — |
| 376 |  Small Key Holder other | veteran | 0.05 kg | — | — |
| 377 |  Small Artifact Fragment misc | default | 0.2 kg | 250 rubles | — |
| 378 |  Sledgehammer Part #4 misc | stalker | — | — | — |
| 379 |  Sledgehammer Part #3 misc | veteran | — | — | — |
| 380 |  Sledgehammer Part #2 misc | master | — | — | — |
| 381 |  Sledgehammer Part #1 misc | legend | — | — | — |
| 382 |  Sledgehammer melee | legend | 5.4 kg | — | — |
| 383 |  Slavs Battle Axe melee | veteran | 1.1 kg | — | — |
| 384 |  Skyline MBC barrel | master | 0.019 kg | — | — |
| 385 |  SKT-40 sniper rifle | newbie | 3.8 kg | — | 100% |
| 386 |  SKS-T sniper rifle | stalker | 5.01 kg | — | 100% |
| 387 |  SKS TriRail System forend | newbie | 0.11 kg | — | — |
| 388 |  SKS Bracket—Dovetail Joint forend | newbie | 0.15 kg | — | — |
| 389 |  SKS sniper rifle | newbie | 3.75 kg | — | 100% |
| 390 |  Sirius G-12 Exosuit other | master | — | — | — |
| 391 |  Sinner other | master | — | — | — |
| 392 |  Sink other | default | — | — | — |
| 393 |  Sin other | master | — | — | — |
| 394 |  Sin other | master | — | — | — |
| 395 |  Silver Stalker Token accessory | default | — | — | — |
| 396 |  Silver Bandit Token accessory | default | — | — | — |
| 397 |  Silencer for OTs-14 Groza barrel | veteran | 0.48 kg | — | — |
| 398 |  Sight Mount for M16A2 forend | newbie | 0.05 kg | — | — |
| 399 |  SIG SG 550 Sniper sniper rifle | veteran | 4.51 kg | — | 100% |
| 400 |  SIG SG 550 assault rifle | veteran | 4.51 kg | — | 100% |
