Iona Breakwater works

Updates on the Iona Breakwater project - Argyll and Bute Council proposes to dredge and dispose of sediment from the harbour area, construct a breakwater and demolish/ replace the public toilet unit.

Update  April – August 2025

Licences and consents

*Associated with the EIA is a Seagrass Mitigation and Monitoring Plan which was approved by the Marine Directorate in July 2025.

Environmental monitoring and reporting will take place throughout the construction period as required by relevant licences.

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Iona Ferry terminal pre-works

Iona Ferry terminal pre-works

Works complete to date

  • Slipway site mobilisation and set-up
  • Toilet block site mobilisation and set-up
  • Toilet block demolition / construction of new block, connection to utilities, installation of Mechanical and Electrical components.
  • Breakwater site mobilisation and set-up
  • Breakwater – initial deliveries of 1-3 tonne rock by barge 21,000 tonne.
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Old toilet block demolition

Old toilet block demolition

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Profiling existing ground to take rock armour

Profiling existing ground to take rock armour

Works in progress

  • Finishes to toilet block
  • Slipway repairs
  • Placing of 1-3 tonne rock to form base and secondary rock core of breakwater
  • Construction of foundation to Aid to Navigation beneath and within breakwater 
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Toilet block sub walls

Toilet block sub walls

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Slipway repairs

Slipway repairs

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Septic Tank housing

Septic Tank housing

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Breakwater - core rock placement

Breakwater - core rock placement

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Toilet block exterior

Toilet block exterior

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Breakwater - core rock placement

Breakwater - core rock placement

Works required before completion

  • Building Standards final assessment of new toilet block
  • Delivery of approximate total 60,000 tonne of 1-3 tonne rock (core)
  • Delivery of approximate total 60,000 tonne of 6-10 tonne rock (primary)
  • Completion of rock armour bedding and core placement, and placement of ‘external’ primary rock armour to breakwater.
  • Construction of access steps detail to AtN light from sea
  • Tie in of breakwater to land levels
  • Mechanical and electrical elements of breakwater (Aid to Navigation light)
  • Make good surfaces damaged during works / site compound occupation
  • Site demobilisation slipway, toilet block and breakwater.

Previous updates

See previous Iona Breakwater Works updates

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