Tugidak Island
island in Kodiak Island Borough, Alaska, United States
Tugidak Island is an island of the Kodiak Archipelago in Kodiak Island Borough, Alaska, United States. It lies southwest of the southern tip of Kodiak Island in the western part of the Gulf of Alaska. Sitkinak Island lies to its east. The two islands are the largest components of the Trinity Islands of Alaska. The Trinity Islands, and thus Tugidak, are part of the Gulf of Alaska unit of Alaska Maritime National Wildlife Refuge. Tugidak Island has a land area of 173.142 km2 (66.85 sq mi) and no resident population. The most prominent feature of the island is the large shallow lagoon near its northeastern end. This part of the island was established as the Tugidak Island Critical Habitat Area by the state of Alaska in 1998 as a wildlife conservation area, and is managed by the Alaska Department of Fish and Game. The island has historically been known as a nesting spot for harbor seals as well as many species of marine birds.
The public source identifies “Tugidak Island” as island in Kodiak Island Borough, Alaska, United States. This brief keeps that definition visible, then builds a research path around Tugidak, Island and island.
Why this record matters
A short description can identify a subject without explaining its stakes. For “Tugidak Island”, the useful work is to connect “island in Kodiak Island Borough, Alaska, United States” to the records capable of establishing context and consequence.
Maps, plans, fabric surveys and administrative records can establish how the site’s name, extent and function changed over time. The source revision retrieved here is dated Aug 20, 2026. The linked authority identifier is Q4000269. Authority coordinates are 56.507, -154.628. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1998.
A single description cannot reconcile every naming convention, rebuilding phase or administrative transfer associated with a place. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Treat names, boundaries and functions as historically changeable. Maps, plans, inventories and administrative records can clarify what the place meant at different dates.
- Historic place names
- Jurisdictional context
- Routes into maps and plans
Contemporary maps, plans, listed-building records, estate papers and the responsible local or national archive.
Three-step research path
- Establish the record: confirm the title “Tugidak Island”, its source revision and the description used here.
- Expand the search: follow Tugidak Island primary sources, Tugidak Island archive and Tugidak research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Tugidak Island”?
- Which authority defined the place, boundary or structure at the relevant date?
- Which earlier names or jurisdictions may reveal additional records?
Search terms from this dossier
This entry incorporates text from “Tugidak Island” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.