Building Oman's
Maritime Future
56 years of excellence in marine construction, offshore logistics, vessel chartering, and specialized diving services across Oman, UAE, and beyond.
Years of Excellence
Since 1970
Major Projects
Successfully Delivered
Regions We Operate
GCC & Beyond
Clients Worldwide
Trusted Partnerships
What We Do
Four Pillars of
Marine Excellence
From harbour construction to oil & gas terminal works, marine logistics to subsea inspection — MII delivers integrated marine solutions across the full project lifecycle.
Marine Construction
From seabed to shoreline
MII delivers the full spectrum of marine construction — harbour development, dredging, marine piling, seawater pipelines, breakwaters, and coastal protection across Oman, UAE, and the wider Gulf.
Explore Service →Capabilities
Our Fleet & Equipment
Built for the Most
Demanding Operations
Built 2005
Crane Barge CB-01
Heavy Lift Crane Barge
500T Lifting Capacity
Founded on Values, Built on Trust
A Vision Born from the Sea.
A Legacy Built with Purpose.
Founded by Sultan Muhammad Al Humaidi in 1970, MII began as a bold vision to support Oman's maritime and industrial growth from Masirah Island.
What started as a small marine services company has today evolved into one of the region's most trusted and capable organisations — rooted in values, driven by innovation, committed to Oman.
Sultan Al Humaidi
Sultan Muhammad Al Humaidi — Founder (1970)
Featured Projects
Delivering Excellence
Across the Region
Marine Construction
Lima Fishery Harbour Development
Marine Construction
Bukha Fishery Harbour Strategic Consultancy
Marine Construction
Al Hallaniyat Island Floating Dock Installation
Specialized Marine
Sohar Terminal Loading Arms Relocation
Project Footprint
Where We Have Built
25 projects spanning Oman, UAE, and the Indian Ocean — click any marker to explore the project.
Health, Safety & Environment
Safety is Not a
Priority — It's a Value
At MII, every operation is governed by internationally certified HSE management systems. Our commitment to zero incidents is built into every project plan, every vessel, and every team deployment.
Our HSE CommitmentWhy Partner with MII?
56 Years Heritage
Over five decades of marine excellence built on trust, experience and a strong commitment to our clients across Oman and the GCC.
ISO Certified
Internationally certified systems ensuring the highest standards in quality (9001), environment (14001), and safety (45001).
GCC + India Reach
A strong operational presence across the Gulf Cooperation Council and India, with the capacity to serve projects beyond.
Internationally Certified
View CertificatesTrusted by Leading Organisations
Latest News & Insights
From Our Operations
MII Completes TSE Outfall Extension Project in Sharjah, UAE
Masirah Island International successfully delivers a complex offshore outfall pipeline extension, reinforcing its presence in the UAE marine sector.
Marine Construction in Oman: Opportunities in the Duqm Special Economic Zone
The Duqm SEZ is emerging as Oman's largest industrial hub. MII explores the marine infrastructure opportunities unlocked by Vision 2040.
MII Achieves ISO 45001 Recertification with Zero Non-Conformances
Following a rigorous Bureau Veritas audit, MII's occupational health and safety management system has been recertified with zero non-conformances recorded.
Ready to Work With Us?
Let's Build the Future Together
Trusted by clients. Driven by people. Committed to excellence. Contact our team to discuss your next marine project.
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