Observed arrival · 2026-10-01

One search for a Lake Union slip

tryharborbase.com Visit website

Editorial interest 72/100 Selection signal · not a rating of the site

Harbor Base is preparing a marina search and management app for boaters and marinas on Lake Union and Lake Washington.

Landing page captured for the 2026-10-01 issue.

For: Lake Union and Lake Washington boaters and marina operators
Worth noticing: The landing page says its marina listings come from public sources and aren’t affiliated with Harbor Base unless they say so.

Field notes

The signup can capture a boating area and optional boat length, with a separate optional mobile number for slip-opening texts. The map is described as a preview, and the page distinguishes public-source listings from marinas that have affiliated with Harbor Base. The site gives different directory counts in its search copy and map preview, so the displayed coverage is not fully clear.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

○OpenPublic substance visible

◎NicheUnusually specific use

◉HumanPersonal, local, civic, or handmade

ƒJavaScriptBrowser-side code central

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