See quotations.

1

1834.  He [an islander] entertained me with an account of his marooning expeditions. These are their excursions upon the Sea Islands, for purposes of fishing and hunting.—Caruthers, ‘The Kentuckian in New-York,’ i. 141–2 (N.Y.).

2

1855.  Marooning differs from pic-nicing in this—the former continues several days, the other lasts but one.—Haliburton, ‘Nature and Human Nature,’ ii. 283, note. (N.E.D.)

3