Coast Guard graphic representing Mediterranean mooring while unlawfully obstructing a federal channel
Graphic representing a vessel Mediterranean mooring configuration while obstructing a federal channel. The Captain of the Port San Juan advises all waterway users in San Juan Harbor, Puerto Rico, May 8, 2026, that anchoring or tying up vessels in navigable channels in such a manner as to prevent or obstruct the passage of other vessels is prohibited under federal law 33 USC 409. (Courtesy photo and U.S. Coast Guard graphic)