 String of Fairy Lights (RYG) | — | Wall Hangings | 0 | 12 |
 String of Mending | Other | Quest Items | 0 | 0 |
 Striped Carpet | Decoration | Floor Decorations | — | — |
 Striped Fur | — | Creature Products | 50 | 1.2 |
 Striped Shark Trophy | Decoration | Trophies | 0 | — |
 Strong Cloth | Other | Quest Items | 0 | 10 |
 Strong Health Keg | — | Liquids | 0 | 325 |
 Strong Health Potion | — | Liquids | 0 | 2.9 |
 Strong Mana Keg | — | Liquids | 0 | 325 |
 Strong Mana Potion | — | Liquids | 0 | 2.9 |
 Strong Sinew | Other | Quest Items | 0 | 0.35 |
 Studded Armor | Equipment | Armors | 25 | 71 |
 Studded Club | Weapons | Club Weapons | 10 | 35 |
 Studded Helmet | Equipment | Helmets | 20 | 24.5 |
 Studded Legs | Equipment | Legs | 15 | 26 |
 Studded Shield | Equipment | Shields | 16 | 59 |
 Stuffed Bear Display | Decoration | Decorations | — | — |
 Stuffed Bunny | Decoration | Dolls and Bears | 0 | 3.5 |
 Stuffed Dragon | Decoration | Dolls and Bears | 6,000 | 8.5 |
 Stuffed Teddy Display | Decoration | Decorations | — | — |
 Stuffed Toad | Decoration | Dolls and Bears | 0 | 4.5 |
 Stump Table | Decoration | Decorations | — | — |
 Sturdy Book | Decoration | Books | 0 | 35 |
 Sublime Tournament Accolade | Decoration | Decorations | — | — |
 Sublime Tournament Carpet | Decoration | Floor Decorations | — | — |
 Sudden Death Rune | Runes | Attack Runes | 0 | 0.7 |
 Sudden Death Rune (Weak) | Runes | Attack Runes | 0 | 0.7 |
 Sugar | Other | Quest Items | 0 | 5 |
 Sugar (Quest) | Other | Quest Items | 0 | 0.2 |
 Sugar Cube Soul Core | Other | Soul Cores | 0 | 10 |
 Sugar Cube Worker Soul Core | Other | Soul Cores | 0 | 10 |
 Sugar Oat | — | Taming Items | 0 | 2 |
 Sugatrap's Obsidian Lance | Other | Quest Items | 0 | 80 |
 Sulphider Shell | — | Creature Products | 2,200 | 1.5 |
 Sulphider Soul Core | Other | Soul Cores | 0 | 10 |
 Sulphur | — | Natural Tiles | — | — |
 Sulphur Blossom Lamp (Lit) | — | — | — | — |
 Sulphur Blossom Lamp (Unlit) | — | — | — | — |
 Sulphur Powder | — | Creature Products | 1,900 | 1 |
 Sulphur Puddle | — | Fields | — | — |
 Sulphur Spouter Soul Core | Other | Soul Cores | 0 | 10 |
 Sulphurous Demonbone | Weapons | Club Weapons | 0 | 180 |
 Sulphurous Stone | — | Creature Products | 100 | 1.42 |
 Summer Court Portal | — | Teleporters | — | — |
 Summer Dress | Equipment | Armors | 1,500 | 10 |
 Summerblade | Weapons | Sword Weapons | 0 | 43 |
 Sun Brooch | — | Creature Products | 18,000 | 2.8 |
 Sun Catcher | Other | Quest Items | 0 | 2 |
 Sun Fruit | — | Food | 0 | 2.1 |
 Sun Fruit Bush | — | Bushes | — | — |