| Cym III.iii.11 | [Belarius to Guiderius and Arviragus] I'll tread these flats |
| Ham IV.v.102 | [Messenger to Claudius] The ocean ... / Eats not the flats with more impiteous haste [i.e. affected by tide] |
| Tem II.ii.2 | [Caliban alone] All the infections that the sun sucks up / From bogs, fens, flats |