Sea Rings on the horizon with offshore wind turbines
Company

Architects who decided to build energy at sea.

Incorporated in Greece and Cyprus, based in Athens. Born from AUB Architects and the floating island technology of Beirut International Marine Industry. Thirteen international co-founders across hydrogen, yachting, marine and business.

Team

Thirteen co-founders, one shipyard.

SD

Sumer Daou

Founding Partner

Architect, AUB class of 2005. Leads design, go-to-market and the Lemuria vision.

DA

Dr. Abdullah Daou

Floating island technology

Developer of the class-approved floating island technology.

1i

13 international co-founders

Hydrogen · yachting · marine · business

The team behind the technology, the yard and the market.

Manufacturing team at the shipyard
Manufacturing readiness

350 trained technicians on call.

Steel, floaters and architecture built in-house, on class-approved floating island technology.

Recognition

Presented on Europe's hydrogen stages.

Monaco Hydrogen Forum
ForumMonaco · December 2024

Monaco Hydrogen Forum

The world's leading hydrogen forum, under the patronage of H.S.H. Prince Albert II.

EU BlueInvest Readiness Assistance
EU programmeBrussels · Cycle 5

EU BlueInvest Readiness Assistance

Selected by the European Commission (DG MARE, CINEA, PwC). The only start-up from Cyprus and Greece.

Riding the Waves
ConferenceAgia Napa, Cyprus · CMMI

Riding the Waves

Selected by the Cyprus Marine and Maritime Institute to present Blue Economy innovation.

ForumCyprus

Cyprus Hydrogen Forum

Sea Rings presented to the Cypriot hydrogen and maritime community.

ForumAthens

Greece Hydrogen Forum

Presented to the Greek hydrogen and green-gases community.

CompetitionBeirut · 2025

AUB President's Innovation Challenge

Semi-finalist among 88 applicants.

EU BlueInvest team: DG MARE, CINEA and PwC
EU validation

Selected by BlueInvest, aligned with TROPOS and MUSICA.

BlueInvest is run by the European Commission's DG MARE and CINEA with PwC. We were the only start-up from Cyprus and Greece in the cohort.

Partners

The ecosystem behind the rings.

Monaco Hydrogen Alliance
Mediterranean Hydrogen Alliance
Beirut International Marine Industry
INSB Class
H2 Core Systems
Hexagon Purus
Hydrogen Intelligence
MMC Group Holding Hellas
Mina Canaan
ArchiMare
Windside
Atarec
Sustainable Environmental Solutions
Circular Hub
Modern Advanced Polymers
Novaplak
Plastc Lab
Robban Assafina
Unpoint 5
My Club
Roadmap

Where we are, and what comes next.

  • 2023

    Lemuria Ocean Ports concept and the first white paper.

  • 2024

    Sea Rings, the coastal adaptation. Monaco Hydrogen Forum.

  • 2025

    EU BlueInvest selection. Riding the Waves, Cyprus. AUB Innovation Challenge semi-finalist.

  • JUNE 2026

    13-Sea Rings feasibility study. Design by AUB Architects.

  • OCTOBER 2026

    EIC Accelerator application. Equity round opens.

  • 2027

    First Sea Ring at sea. Lemuria first module financing.

Incorporated in Greece and Cyprus

Meet us in Athens, or at the shipyard.