Thousand Islands Safe Boating Assocation
PO Box 142, Clayton, Thousand Islands New York 13624
To Report Violations of Speed, Noise or Reckless Boating, contact the NYS Police at 315.482.2525
  US Department of the Treasury
US Customs Service

The US Customs Service site includes but is not limited to the following:

Entering the United States by Private Vehicle, Aircraft, or Vessel