The Caves Floor is the second Floor in The Binding of Isaac: Rebirth. It has two stages, The Caves I and The Caves II.
- Mushrooms are found in The Caves. They will contain either nothing, Pills, Liberty Cap, or toxic gas.
|Gurdy Jr.||Mega Fatty||Mega Maw||Pestilence|
|Double Trouble Bosses|
|Blighted Ovum||The Duke of Flies||Mega Fatty||Monstro||Pin|
- The theme for The Caves titled "Sodden Hollow" describes the wetness/dampness of the caves.