Recent Mannion Marine Limited projects include:

Mannion Marine Limited commenced operations at the start of October 2018.


Martin Mannion, Director MML, has over 34 years professional maritime experience and is a Chartered Engineer & Fellow of the Institution of Civil Engineers, and Fellow of The Academy of Experts. 


Martin provides technical and commercial management of and innovative solutions for port & maritime projects, master planning, port optimisation, due diligence, feasibility, design, expert witness work, and reviews for port facilities.


Projects include container terminals, LNG and petrochemical facilities, cruise facilities, ferry terminals, general cargo, fishing harbours and marinas. Work has included quay and jetty design, dredging, rock groynes, revetments, breakwaters, concrete armour units, beach replenishment, seawalls, port design reviews, master planning and expert work. 


Martin frequently gives maritime industry presentations, technical papers, contributes to publications, has experience as an expert of LCIA, ICC, SIAC, Scottish Court of Session and Australian based disputes and is presently Chairman of PIANC WG224 on Planning of Fishing Ports. He has a Bachelor of Engineering (Civil) degree from University College Dublin.


  • UK North East Dock Operator Procurement
  • Expert Witness, Australian FSRU Port planning inquiry
  • Bremore Port Planning Study, Ireland
  • UK South West Dock Due Diligence
  • Expert Witness, European Container Terminal (capacity, capex, opex)
  • Asia Port Service Harbour Expert Report : Layout, design, waves, fendering, mooring
  • Pacific Container Terminal Dispute Expert Report : Container terminal design and operations
  • US Gulf Coast Container Terminal Planning/Feasibility : Port planning, bunkering, civil engineering
  • Caribbean Pier Construction Dispute Expert Report : Dredging, pier design, navigation, mooring
  • Bulk Jetty Expansion & Condition Assessment, UK : Jetty condition, inspection, repair & upgrade options, crane options
  • 3 River Thames Wharf Reactivation Studies, UK : Safeguarded wharves development, jetty repair & upgrade
  • West Africa Container & Bulk Terminal Feasibility Study : Design, costs, programme for new three berth development
  • European Grain Terminal Dispute Expert Report : Dredging, marine design
  • Latin American Multi Terminal Due Diligence : Six bulk terminals
  • UK Harbour Construction Dispute Expert Reports x 4 locations : Quay deepening, dredging. Harbour repair. Caissons. Planning inquiry
  • Middle East Container & Bulk Port Due Diligence : Multiple container & dry bulk berths
  • Bunker Hub Feasibility Study, confidential location : Site selection, concept design, master plan for new future fuels bunker hub
  • TMT Container Terminal Expansion Feasibility, Myanmar : Layouts, cost, programme for phased expansion of existing terminal
  • ADB Colombo North Harbour Study, Sri Lanka : Port planning, development phasing, container & LNG/oil facilities
  • Dublin Port Technical Advice : Dredging contract, Berth 35/Quay Wall Framework, Port Planning
  • Tema LNG EPC Ghana, Owners Engineer : Owner marine advisor, design & construction reviews, new FSU/FRU berths, breakwater
  • Portsmouth Cruise Improvements Study, UK : Expansion options for larger cruise vessels, berth & landside solutions
  • ICTSI Dredging Review, Confidential location : Dredging requirements for large estuary, PPP arrangements review
  • Cruise Study, Confidential location, Europe : New two berth cruise facility concept study at existing port
  • Port Planning, Middle East (Confidential)
  • RSGT Expansion Container Terminal Planning, Saudi Arabia : Expansion & integration of two terminals
  • Shannon LNG Marine FEED & Tender Documents, Ireland : New LNG jetty for FSU
  • LNG marine reviews, Central America / Caribbean
  • Container Terminal Lenders Engineer, Middle East : Quay, yard major phased improvements at existing terminal
  • Ferry Terminal Expansion Planning, UK : New berth & landside options for pax/cargo ferry service
  • Continental Europe LNG/FSRU Planning Study : New FSRU berth(s), breakwater offshore of existing port
  • Europe LNG EPC Award Support : Proposed new LNG/FSRU facility in the Mediterranean
  • Oil Supply Base Feasibility Study, Africa : Layout, costs, development plan for oil offshore supply base
  • Wicklow Maritime Strategy Review, Ireland : Review of issues for existing small harbours
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