ShipwreckSource Checked

NBM Dive Site Resource

HMS Graph (ex U-570) — remains

West coast of Islay, Argyll and Bute, Scotland, United Kingdom

Scattered remains of HMS Graph, formerly U-570, stranded on Islay in March 1944. A published dive account describes heavily salvaged fragments in roughly 6–10 m.

Save this dive site to your free member profile.

Featured Hero Photograph

The former U-570 in British service as HMS Graph, photographed in 1943. Proportional resize and WebP encoding; page layout may crop for display. Reuses the existing derivative of the Commons post-processed photograph.UK Government / Imperial War Museums, A 16040; post-processing W.wolny · Public domain — https://creativecommons.org/publicdomain/mark/1.0/Source ↗

WaterMarine

AccessExposed coastal site; local planning required

ExperienceWreck diving in an exposed coastal setting; assess local conditions.

Maximum depthApproximately 6–10 m in the published account

Best seasonSeasonal details pending

VisibilityVisibility varies

Aquatic life at this dive site

What divers may encounter

Three reviewed connections are featured here. Sightings vary by season, conditions, and chance, so they are never guaranteed.

Profile connection reserved

Aquatic life research in progress

NBM is reviewing a likely local species for this position.

Profile connection reserved

Aquatic life research in progress

NBM is reviewing a likely local species for this position.

Profile connection reserved

Aquatic life research in progress

NBM is reviewing a likely local species for this position.

Site media

Photographs

Three views rotate from the published gallery on each visit.

Contributor media

Dive videos

Three featured video positions are reserved on every profile.

Dive-site video pending

Regional location and nearby land

Location map

Regional context around West coast of Islay, Scotland, with nearby land. Historical positions are not presented as surveyed navigation coordinates.

Map areaIslay and the Inner Hebrides

Open regional map ↗

Map zoom level 6 of 11

Map data © OpenStreetMap contributors

Recent field observations

Diver-reported temperatures

Automatically checked observations from dives during the past 14 days. Three reports are visible at a time; scroll for more.

Automatically checked

No recent diver reports from the past 14 days

A report that passes the automatic checks will appear here with the dive date, diver’s display name, and temperatures at each depth.

Reports are automatically checked for plausible dates, depths, and temperatures. They are observations, not forecasts; confirm conditions before diving.

Why divers know this place

Highlights

Remains of a captured U-boat that served in the Royal Navy.

Shipwreck-only module

The wreck

This section appears only on shipwreck records and brings the vessel, its loss, present condition, access, and responsible wreck-diving considerations into one place.

Vessel type: German Type VIIC submarine
Year built: 1941 (commissioned)
Year sunk: 1944
Cause of loss: Captured south of Iceland in August 1941, U-570 served Britain as HMS Graph. It stranded on Islay on March 20, 1944; later salvage left only scattered fragments.
Present condition: Heavily salvaged fragments; no intact submarine is claimed.
Penetration guidance: No penetration or artifact recovery authorization is implied.

Before you arrive

Access notes

Published dive account only; present conditions and access are unverified.

Plan within your training

Conditions and hazards

Swell, remote coastal access and broken metal.

Independent resource notice

This record is a starting point for independent verification. Access, closures, moorings, weather, currents, depth, visibility, operator availability, and site conditions can change without notice. Confirm current information with the responsible operator, property owner, managing authority, or another qualified local source before planning or attempting a dive.