<p>Last week’s fatal boat crash was a regular tragedy on Chicago’s waterways, longtime boaters and professional captains say.</p><p>“It sucks. It’s terrible. But it’s not that uncommon,” Jeff Rubin told the Sun-Times on Sunday at Monroe Harbor.</p><p>He’s a sailing instructor who works at the harbor, not far from where two boats collided just before midnight Thursday, <a class="Link" href="https://chicago.suntimes.com/crime/2026/06/26/two-boats-crash-overnight-in-monroe-harbor-badly-injuring-several" target="_blank" >killing 26-year-old Johanna Gregory</a>.