See quotations.
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. 1412 (N.Y.).
1855. Marooning differs from pic-nicing in thisthe former continues several days, the other lasts but one.Haliburton, Nature and Human Nature, ii. 283, note. (N.E.D.)