Marine Construction
From seabed to shoreline — comprehensive marine construction across Oman and the GCC. In-house fleet, experienced teams, and 56 years of heritage behind every project.
Request a QuoteMII operates an in-house marine fleet and deploys experienced construction teams to deliver a full spectrum of inshore and offshore marine construction projects. From jetties and breakwaters to dredging and pipeline installation, we work as main contractor and subcontractor, with proven methodologies and an unwavering commitment to safety and quality.
Marine Construction Services
Full-spectrum capabilities for any marine construction challenge
Jetties & Quays
Design and construction of pile-supported and gravity-based jetties and quay walls for port, industrial, and commercial applications. Delivered to full engineering specifications in challenging marine environments.
Breakwaters & Coastal Protection
Rubble mound, composite, and vertical breakwater construction to protect coastal assets and harbour entrances. Industry-standard armour rock and concrete armour unit systems.
Dredging & Reclamation
Capital and maintenance dredging operations for harbours, channels, and coastal development. Land reclamation and fill compaction for new island and waterfront development.
Marine Piling
Driven and bored pile installation for marine structures including jetties, pontoons, mooring dolphins, and fendering systems. Temporary and permanent works capability.
Pipeline Installation
Subsea and intertidal pipeline installation in HDPE, GRP, and carbon steel. Covering intake, outfall, oil and gas transfer, and industrial pipeline projects across Oman and the GCC.
Artificial Islands & Reclamation
Marine works for artificial island creation and coastal reclamation, including geotextile containment, hydraulic fill placement, and structural edge protection.
Erosion Protection
Coastal erosion protection using rock armour, geotextiles, and concrete systems. Protecting existing infrastructure and coastlines from wave action and tidal forces.
Pontoon & Marina Installation
Supply and installation of floating pontoon systems, marina walkways, and VIP berth infrastructure. Full lifecycle services from design to commissioning and maintenance.
Marine Construction Projects
All Projects
Lima, Musandam, Oman · 2023
Lima Fishery Harbour Development
Ministry of Agriculture, Fisheries & Water Resources

Bukha, Musandam, Oman · 2023
Bukha Fishery Harbour Strategic Consultancy
Ministry of Agriculture, Fisheries & Water Resources

Al Hallaniyat Islands, Dhofar, Oman · 2022
Al Hallaniyat Island Floating Dock Installation
Masirah Island International LLC
MII operates in-house marine plant including crane barges, flat deck barges, landing craft, and specialised dredging equipment to support marine construction operations.
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