The MH1 Marblehead Buoy was deployed on June 25. The buoy tracks great white sharks that swim within 200 yards of the receiver in order to be recorded. To date, the buoy has reported 21 sightings of great white sharks off the coast of Marblehead. At the time of its installment, in 2016, it was the first receiver buoy in the North Shore to be a part of the Atlantic White … [Read more...] about Oh buoy! Let’s find some sharks.