| Name | Disk | Where to find it! | Can you buy it! | What it Does. |
| Alexander | ALL | Defeat the Ice Woman hidden in the great Glacier. | Can't | Summon Alexander |
| Bahamut | 1 | Defeat the Red Dragon at the temple of the Ancients. | Can't | Summon Bahamut |
| Neo Bahamut | 2 | Found in theWhirlwind Maze. | Can't | Summon Neo Bahamut |
| Bahamut Zero | 2 | Look at the Huge Blue Materia at Cosmo Canyon. Must have the other Bahamuts. | Can't | Summon Bahamut Zero |
| Choco/Mog | ALL | Talk to the Chocobo fenced in, at the Chocobo Farm. | Can't | Summon Choco/Mog |
| Hades | 2 | In the Underwater Shrina Plane | Can't | Summon Hades |
| Ifrit | 1 | Defeat the Jenova-Birth on the Ship to Costa del Sol | Can't | Summon Ifrit |
| Kjata | All | Must Catch it before it disapears in the Sleeping Forest. | Can't | Summon Kjata |
| Knights of Round | 2 or 3 | Go to the uncharted Island Materia Cave in the northeast corner of the Map. Need a Golden Chococo. | Can't | Summon Knights of Round |
| Leviathan | ALL | Have Yuffie defeat all the bosses in Godo's Pagoda at Wutia. | Can't | Summon Leviathan |
| Odin | ALL | Nibelheim Mansion safe | Can't | Summon Odin |
| Phoenix | 2 | Huge Materia Quest | Can't | Summon Phoenix |
| Ramuh | 1 | Golden Saucer's Chocobo Staff room. | Can't | Summon Ramuh |
| Shiva | 1 | Junon's Priscilla gives it to you. | Can't | Summon Shiva |
| Titan | ALL | Gongaga's trashed reactor | Can't | Summon Titan |
| Typoon | 2 & 3 | Find in the Ancient Forest | Can't | Summon Typoon |
| Master Summon | 2 & 3 | See Huge Summon Materia! | Trade the Earth Harp with the man in Kalm. | Equips all Summons |
| Huge Materia | 2 | Found in the sunken Shinra submarine. | Can't | Gives Master Summon, if you master the 16 other Summon materia. |
