The present invention is floatation device for seines or fishing nets, which preferably includes: at least two cork portions and one or more pairs of fastener inserts. The two cork portions are preferably opposing halves of a floatation cork configured to form a cork when combined. The one or more pairs of fasteners are preferably aligned and embedded inside the two cork portions, such that, when the one or more pairs of fasteners engage, the two or more cork portions form as a cork. Accordingly, the cork portions preferably fasten together on a fishing line after mating the fastener inserts. To increase the strength of the fastening the devices, an adhesive fastener may be included on the contact surfaces of the cork portions. The floatation device is particularly useful as a floating support for seines and commercial fishing nets.
