Loading depth chart…

Split-water fishing maps

Iroise Sea fishing maps and mapped sections

Iroise Sea fishing maps with official SHOM bathymetry, source-qualified fishing spots, official fish evidence, seasonal forage context, shore-access leads and transparent quality holds.

15 live sections15 survey-backed depth maps13 cataloged target species50 official access records

Built for useful map scale

Why Iroise Sea is split up

This named coastal system is divided into non-overlapping trip-scale ownership windows; every public child independently passes the fixed provenance, 25-mile, 250,000-acre, contour and fishing-spot gates.

One page per mapped area

Choose a Iroise Sea fishing-map section

Survey-backed depthCoastal map

Iroise Sea — South West 1

100,251-acre Iroise Sea — South West 1 France saltwater fishing map with official SHOM 100 m bathymetry, source-qualified fishing spots, official regional fish evidence, seasonal forage guidance, public shore-use context and current-rule links. The exposed Iroise Sea from Ushant through the Brest approaches, with reefs, islands and strong Atlantic tide races. This page covers the south west 1 angler-scale survey window.

Recorded max: 362 ft
Species: Garfish, European Seabass, Common Sole, Thick-lipped Grey Mullet

Open depth map and fishing spots →

Survey-backed depthCoastal map

Iroise Sea — South West 2

98,726-acre Iroise Sea — South West 2 France saltwater fishing map with official SHOM 100 m bathymetry, source-qualified fishing spots, official regional fish evidence, seasonal forage guidance, public shore-use context and current-rule links. The exposed Iroise Sea from Ushant through the Brest approaches, with reefs, islands and strong Atlantic tide races. This page covers the south west 2 angler-scale survey window.

Recorded max: 282 ft
Species: Garfish, European Seabass, Common Sole, Thick-lipped Grey Mullet

Open depth map and fishing spots →

Survey-backed depthCoastal map

Iroise Sea — South West 3

87,880-acre Iroise Sea — South West 3 France saltwater fishing map with official SHOM 100 m bathymetry, source-qualified fishing spots, official regional fish evidence, seasonal forage guidance, public shore-use context and current-rule links. The exposed Iroise Sea from Ushant through the Brest approaches, with reefs, islands and strong Atlantic tide races. This page covers the south west 3 angler-scale survey window.

Recorded max: 203 ft
Species: Garfish, European Seabass, Common Sole, Thick-lipped Grey Mullet
Public access: 3 official records

Open depth map and fishing spots →

Survey-backed depthCoastal map

Iroise Sea — South West 4

54,316-acre Iroise Sea — South West 4 France saltwater fishing map with official SHOM 100 m bathymetry, source-qualified fishing spots, official regional fish evidence, seasonal forage guidance, public shore-use context and current-rule links. The exposed Iroise Sea from Ushant through the Brest approaches, with reefs, islands and strong Atlantic tide races. This page covers the south west 4 angler-scale survey window.

Recorded max: 130 ft
Species: Garfish, European Seabass, Common Sole, Thick-lipped Grey Mullet
Public access: 6 official records

Open depth map and fishing spots →

Survey-backed depthCoastal map

Iroise Sea — South West 5

16,598-acre Iroise Sea — South West 5 France saltwater fishing map with official SHOM 100 m bathymetry, source-qualified fishing spots, official regional fish evidence, seasonal forage guidance, public shore-use context and current-rule links. The exposed Iroise Sea from Ushant through the Brest approaches, with reefs, islands and strong Atlantic tide races. This page covers the south west 5 angler-scale survey window.

Recorded max: 76 ft
Species: Garfish, European Seabass, Common Sole, Thick-lipped Grey Mullet
Public access: 6 official records

Open depth map and fishing spots →

Survey-backed depthCoastal map

Iroise Sea — Middle West 1

96,250-acre Iroise Sea — Middle West 1 France saltwater fishing map with official SHOM 100 m bathymetry, source-qualified fishing spots, official regional fish evidence, seasonal forage guidance, public shore-use context and current-rule links. The exposed Iroise Sea from Ushant through the Brest approaches, with reefs, islands and strong Atlantic tide races. This page covers the middle west 1 angler-scale survey window.

Recorded max: 384 ft
Species: Garfish, European Seabass, Common Sole, Thick-lipped Grey Mullet

Open depth map and fishing spots →

Survey-backed depthCoastal map

Iroise Sea — Middle West 2

97,078-acre Iroise Sea — Middle West 2 France saltwater fishing map with official SHOM 100 m bathymetry, source-qualified fishing spots, official regional fish evidence, seasonal forage guidance, public shore-use context and current-rule links. The exposed Iroise Sea from Ushant through the Brest approaches, with reefs, islands and strong Atlantic tide races. This page covers the middle west 2 angler-scale survey window.

Recorded max: 290 ft
Species: Garfish, European Seabass, Common Sole, Thick-lipped Grey Mullet

Open depth map and fishing spots →

Survey-backed depthCoastal map

Iroise Sea — Middle West 3

37,631-acre Iroise Sea — Middle West 3 France saltwater fishing map with official SHOM 100 m bathymetry, source-qualified fishing spots, official regional fish evidence, seasonal forage guidance, public shore-use context and current-rule links. The exposed Iroise Sea from Ushant through the Brest approaches, with reefs, islands and strong Atlantic tide races. This page covers the middle west 3 angler-scale survey window.

Recorded max: 156 ft
Species: Garfish, European Seabass, Common Sole, Thick-lipped Grey Mullet
Public access: 6 official records

Open depth map and fishing spots →

Survey-backed depthCoastal map

Iroise Sea — Middle West 4

28,419-acre Iroise Sea — Middle West 4 France saltwater fishing map with official SHOM 100 m bathymetry, source-qualified fishing spots, official regional fish evidence, seasonal forage guidance, public shore-use context and current-rule links. The exposed Iroise Sea from Ushant through the Brest approaches, with reefs, islands and strong Atlantic tide races. This page covers the middle west 4 angler-scale survey window.

Recorded max: 151 ft
Species: Garfish, European Seabass, Common Sole, Thick-lipped Grey Mullet
Public access: 6 official records

Open depth map and fishing spots →

Survey-backed depthCoastal map

Iroise Sea — Middle West 5

9,422-acre Iroise Sea — Middle West 5 France saltwater fishing map with official SHOM 100 m bathymetry, source-qualified fishing spots, official regional fish evidence, seasonal forage guidance, public shore-use context and current-rule links. The exposed Iroise Sea from Ushant through the Brest approaches, with reefs, islands and strong Atlantic tide races. This page covers the middle west 5 angler-scale survey window.

Recorded max: 87 ft
Species: Garfish, European Seabass, Common Sole, Thick-lipped Grey Mullet
Public access: 6 official records

Open depth map and fishing spots →

Survey-backed depthCoastal map

Iroise Sea — North West 1

99,114-acre Iroise Sea — North West 1 France saltwater fishing map with official SHOM 100 m bathymetry, source-qualified fishing spots, official regional fish evidence, seasonal forage guidance, public shore-use context and current-rule links. The exposed Iroise Sea from Ushant through the Brest approaches, with reefs, islands and strong Atlantic tide races. This page covers the north west 1 angler-scale survey window.

Recorded max: 663 ft
Species: Garfish, European Seabass, Common Sole, Thick-lipped Grey Mullet

Open depth map and fishing spots →

Survey-backed depthCoastal map

Iroise Sea — North West 2

98,174-acre Iroise Sea — North West 2 France saltwater fishing map with official SHOM 100 m bathymetry, source-qualified fishing spots, official regional fish evidence, seasonal forage guidance, public shore-use context and current-rule links. The exposed Iroise Sea from Ushant through the Brest approaches, with reefs, islands and strong Atlantic tide races. This page covers the north west 2 angler-scale survey window.

Recorded max: 352 ft
Species: Garfish, European Seabass, Common Sole, Thick-lipped Grey Mullet

Open depth map and fishing spots →

Survey-backed depthCoastal map

Iroise Sea — North West 3

65,621-acre Iroise Sea — North West 3 France saltwater fishing map with official SHOM 100 m bathymetry, source-qualified fishing spots, official regional fish evidence, seasonal forage guidance, public shore-use context and current-rule links. The exposed Iroise Sea from Ushant through the Brest approaches, with reefs, islands and strong Atlantic tide races. This page covers the north west 3 angler-scale survey window.

Recorded max: 331 ft
Species: Garfish, European Seabass, Common Sole, Thick-lipped Grey Mullet
Public access: 6 official records

Open depth map and fishing spots →

Survey-backed depthCoastal map

Iroise Sea — North West 4

32,987-acre Iroise Sea — North West 4 France saltwater fishing map with official SHOM 100 m bathymetry, source-qualified fishing spots, official regional fish evidence, seasonal forage guidance, public shore-use context and current-rule links. The exposed Iroise Sea from Ushant through the Brest approaches, with reefs, islands and strong Atlantic tide races. This page covers the north west 4 angler-scale survey window.

Recorded max: 290 ft
Species: Garfish, European Seabass, Common Sole, Thick-lipped Grey Mullet
Public access: 6 official records

Open depth map and fishing spots →

Survey-backed depthCoastal map

Iroise Sea — North West 5

18,687-acre Iroise Sea — North West 5 France saltwater fishing map with official SHOM 100 m bathymetry, source-qualified fishing spots, official regional fish evidence, seasonal forage guidance, public shore-use context and current-rule links. The exposed Iroise Sea from Ushant through the Brest approaches, with reefs, islands and strong Atlantic tide races. This page covers the north west 5 angler-scale survey window.

Recorded max: 192 ft
Species: Garfish, European Seabass, Common Sole, Thick-lipped Grey Mullet
Public access: 5 official records

Open depth map and fishing spots →

Choose with the evidence visible

How to compare Iroise Sea sections

The released set contains 15 survey-backed sections and 0 modeled sections. Their published maximum depths run from 76 to 663 ft, with a median of 282 ft. Those numbers make scale differences visible, but they do not make sections interchangeable: contour provenance, access, species evidence and local structure remain specific to each child map.

Start with the section closest to the water you actually plan to fish. Then compare its depth-data label and species roster with an adjacent section before treating a pattern as system-wide. A survey-backed child is the stronger choice for precise breakline planning; a modeled child is broader reconnaissance and should be checked against sonar and conditions on the water. Return to this overview whenever you cross into another mapped reach, pool or coastal section.

Same child-page contract

What every section keeps separate

Depth provenance: each child discloses whether its contours are survey-backed or modeled; a family card never upgrades that label.
Fishing spots: structure and seasonal recommendations are calculated inside the child boundary so distant reaches are not mixed together.
Fish species: each page keeps its own supported roster rather than inheriting every species found anywhere in the parent system.
Local context: hatch guidance, access, hazards, catches and nearby-water links continue to resolve for the individual child where data is available.

Source-backed, not crowd-guessed

Authoritative sources for this overview

Planning questions

Frequently asked questions

Why is Iroise Sea divided into separate fishing maps?

This named coastal system is divided into non-overlapping trip-scale ownership windows; every public child independently passes the fixed provenance, 25-mile, 250,000-acre, contour and fishing-spot gates.

Are these depth maps survey-backed?

15 released maps use surveyed or official agency bathymetry. Each child keeps its own provider, product, datum and not-for-navigation disclosure.

Do fish and access records apply everywhere?

No. Species, forage, access and fishing spots remain scoped to each child map and retain their evidence labels.