Alaska Study Maps Hundreds of Charted Shipwrecks

Researchers identified 622 wrecks across Alaska's extensive coastline, with 39% classified as active navigational hazards.

Updated on Oct. 21, 2026 in Cruises

Screen-print poster illustration of a wooden shipwreck hull along a desolate, rocky Alaskan shoreline under a pale, overcast sky. — A new BoatBooker study has identified 622 shipwrecks along Alaska’s 33,904 miles of coastline, including many sites that remain active navigational hazards. AI Illustration. Upload story photo >

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Should historical shipwrecks be more comprehensively documented than just those posing active navigation hazards?

A new BoatBooker study has identified 622 charted shipwrecks throughout Alaska based on NOAA electronic nautical charts. The findings highlight the significant maritime history embedded in the states 33,904 miles of shoreline.

Why it matters

Understanding the location of these submerged vessels is vital for modern maritime safety, as nearly four in ten of these sites remain categorized as potential hazards for current navigation.

Alaska currently ranks 10th among 23 coastal states for charted shipwrecks. The Kenai Peninsula Borough holds the highest concentration in the state with 65 charted sites.

The players

BoatBooker

This organization conducted the study using data from official electronic nautical charts.

NOAA

The National Oceanic and Atmospheric Administration provides the electronic nautical charts used as the primary basis for mapping maritime hazards.

The details

BoatBooker compiled the data by removing duplicate entries and assigning wrecks to the nearest borough using geographic proximity. The research excludes sites located more than 10 miles from a local boundary to refine the geographical count.

October 24, 1918: The Princess Sophia struck the Vanderbilt Reef.
October 25, 1918: The Princess Sophia sank in Lynn Canal with 343 deaths.
February 4, 1946: The passenger liner Yukon struck rocks at Cape Fairfield.
October 8, 2026: The BoatBooker shipwreck study was published.
October 25, 2026: The 108th anniversary of the Princess Sophia sinking occurs.

Travel Outlook

This study follows the pattern set by the 1918 sinking of the Princess Sophia by documenting how past maritime disasters continue to influence modern navigation safety. Such cataloging efforts allow state tourism and shipping sectors to better understand the risks inherent to Alaska's 33,904 miles of shoreline.

Travelers and mariners navigating Alaska's waters should be aware that 39% of charted shipwrecks are classified as active navigational hazards. Consult up-to-date nautical charts when planning coastal transit or shore excursions to avoid areas known for submerged debris.

The takeaway

Maritime history remains an active factor in modern Alaskan navigation. Recognizing these hazards is an essential step for anyone planning or operating vessels along the rugged northern coast.