The Azores Are Learning to Listen to the Ocean

From the Faial shoreline to a global network of ocean intelligence, blueOASIS is demonstrating that islands once defined by distance can become laboratories for the future

For centuries, the Azores learned to read the ocean before they learned to measure it. Fishermen understood changes in currents from the behavior of birds; whalers listened for signs carried across water and wind; sailors interpreted clouds, swells, silence and horizon. The Atlantic was never merely the blue expanse surrounding the islands. It was road and frontier, sustenance and danger, departure and return. Now, from Faial, another language of the sea is being deciphered — through underwater acoustics, artificial intelligence, autonomous systems, digital modeling and streams of data capable of transforming sound into knowledge. In that transition from listening by instinct to listening through technology lies something larger than the story of a successful startup. It may be one of the possible futures of the Azores themselves.

blueOASIS, recently distinguished as “Best Startup” at the 2026 Heróis PME Awards, was founded in 2021 in Ericeira and expanded its operations to Faial the following year, where it was incubated at the Escola do Mar dos Açores. The company describes its original ambition with striking simplicity: “to transform the way the world listens to, understands and protects the oceans.” The award, it says, validates a deliberate and risky transition away from dependence primarily on consultancy and research-and-development services toward proprietary, scalable ocean technology with global applications.

That decision matters far beyond the corporate biography of a single company. Small islands have too often been imagined as peripheral places — territories where technologies conceived elsewhere eventually arrive, rather than places where the technologies of tomorrow originate. blueOASIS proposes almost the reverse geography. Its experience suggests that remoteness, when accompanied by scientific knowledge, infrastructure and imagination, can become an advantage. The Azores are not distant from the ocean economy. They are inside the ocean itself.

Faial became essential to that transformation. The company found there an environment in which technology could leave the laboratory and confront the Atlantic under actual operating conditions. The Azores, blueOASIS argues, constitute a “natural laboratory,” allowing systems to be tested, validated and improved in a demanding oceanic environment of exceptional scientific relevance.

At the center of this work is Hydrotwin. Commercially launched in January 2025, the technology has evolved from an acoustic monitoring system into an integrated technological ecosystem combining sensors, artificial intelligence, edge processing, communications, remote data visualization and multiple platforms. Instead of simply placing an instrument beneath the water and recording sound, the ambition is increasingly to create distributed networks capable of observing ocean environments continuously and translating vast quantities of information into intelligence useful for science, conservation, maritime activity and security.

The implications are considerable. An ocean that can be heard continuously can also be understood differently. The passage of marine mammals, the acoustic signature of vessels, changing underwater environments and human activity can become elements within a living portrait of the sea. Through DATAz — Acoustic Digital Twin of the Azores ZLT, blueOASIS is developing an Ocean Digital Twin for the Azores Technological Free Zone, combining Hydrotwin units, fixed and mobile monitoring systems, sensors and hydrodynamic and acoustic models. The objective is real-time information about ocean dynamics and biodiversity that can assist scientific research, maritime spatial planning, environmental protection and regional decision-making.

There is something almost poetic in the concept of an oceanic “digital twin”: an invisible counterpart to the Atlantic, assembled not from salt water but from information, capable of revealing patterns that the human eye cannot see. For an archipelago whose history has always depended upon understanding the sea, this is not a rupture with the past so much as an extraordinary extension of it. The instruments have changed; the ancient necessity remains.

And the technology is already traveling far beyond the islands. blueOASIS reports that its systems have been operationally implemented or validated in at least eight countries — Portugal, Spain, Italy, Iceland, the United Kingdom, Canada, the United States and Thailand. Its Hydrotwin technology has also participated for five consecutive years in NATO’s REPMUS exercises, operating alongside naval systems and autonomous platforms and carrying out real-time acoustic classification under demanding operational conditions.

The numbers reveal the speed of that expansion. The company reports approximately 27 operational units, 233 contracted units and six demonstration units, with future deployments extending from Portugal and the Azores to Italy, the Caribbean, Indonesia and other regions. More important than geography alone, blueOASIS emphasizes, is the transition from isolated demonstrations toward continuous operations, distributed monitoring networks and longer-term contracts.

The company itself has expanded accordingly. Its workforce has more than doubled to 35 specialists spanning aerospace, naval, mechanical and environmental engineering, artificial intelligence, underwater acoustics, software and hardware development, and defense. At the end of 2025, Insight Venture entered the company’s capital, an investment blueOASIS describes as a significant vote of confidence in Hydrotwin’s potential for global growth.

Yet perhaps the most compelling part of this story remains what could happen in Faial.

blueOASIS plans to establish the North Atlantic Acoustic Center, or NAAC, at MARTEC in Horta. Conceived as a pioneering center for research, development and innovation in underwater acoustics, it is expected to integrate ocean sensors, artificial intelligence, high-performance computing and autonomous systems to collect and analyze real-time acoustic information about biodiversity and human activity at sea.

If realized to its full potential, such a center could represent something profoundly important for the islands: not merely technology operating in the Azores, but knowledge being created in the Azores; not simply jobs, but highly qualified employment; not only investment arriving from elsewhere, but intellectual and technological capital developing roots in the archipelago. blueOASIS explicitly sees the project as capable of attracting talent and investment while helping position the Azores internationally in ocean science and technology.

That distinction is crucial. The future of island economies cannot depend indefinitely upon exporting their most educated young people and importing the technologies upon which modern prosperity depends. A sustainable Atlantic future requires the islands themselves to become places where scientists, engineers, programmers, researchers and entrepreneurs can imagine a life — and where young Azoreans do not necessarily have to choose between professional ambition and belonging.

The ocean offers precisely such a possibility because the Azores possess something that cannot be relocated or replicated: their geography. Positioned in the North Atlantic and surrounded by an immense maritime domain, the islands occupy a natural observatory from which some of the defining questions of this century can be studied — climate, biodiversity, renewable energy, autonomous marine systems, maritime security, sustainable fisheries and the increasingly complex relationship between humanity and the sea.

But geography alone creates no future. Islands have possessed strategic locations for centuries without always possessing the institutions necessary to transform geography into knowledge and knowledge into prosperity. What matters now is the construction of an ecosystem linking universities, research centers, government, private enterprise and international networks. blueOASIS itself insists upon precisely this relationship: research generates knowledge and anticipates problems; companies transform that knowledge into technologies capable of answering concrete needs. Innovation occurs most powerfully where the distance between discovery and application becomes shorter.

And perhaps that is why the story unfolding in Faial deserves attention beyond the language of awards, investment rounds and startup culture.

For five centuries, the Azores occupied a strategic place in the Atlantic because ships needed islands. In the twenty-first century, the islands may acquire another significance because the world needs to understand the ocean. The difference is profound. The first geography made the Azores a stopping place. The second could make them a place of discovery. And somewhere beneath the waters surrounding Faial, among hydrophones, algorithms and the immense acoustic universe of the Atlantic, that future is already beginning to speak. The Azores need only continue learning how to listen.

Based on an interview published in Tribuna das Ilhas, Susana Garcia, director. Photos from the same source.