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Cliff Island, the last stop on Portland’s Casco Bay Ferry, has historically suffered from slow internet speeds. As the 21st century has progressed, Americans have come to expect high-speed, reliable internet to be as accessible as running water or electricity. Because of this trend, Cliff Islanders began to question whether they could feasibly bring broadband to their island community.

Residents, both seasonal and year-round, were tired of having to bring their laptops to the town square (which consists of the community house, the ferry landing, the general store, and a tennis court) in order to acquire internet remotely close to the speeds they needed. Cliff Islanders did achieve their island broadband aspirations, and a success like this can only happen when there is a number of factors at play; namely: hard work on the part of the community, good luck, and financial support.

In the case of Cliff Island, those three ingredients were present, but so were challenges. In the end, Cliff Island ended up with a successful buildout using a private funding model to solve the dilemma of its capital expenditure—in other words residents privately covered the upfront cost that was necessary to fund the infrastructure. CI Fiber, a local LLC founded for the purpose of fundraising and owning the broadband infrastructure, productively collaborated with other organizations to bring the project to fruition.


One of the biggest barriers in the process was the fact that Cliff Island is a part of the city of Portland—unlike other Casco Bay Islands that are incorporated as their own municipalities. Being a part of the city prevented them from utilizing some of the grants available to rural communities seeking broadband access. On paper, Cliff Island is part of the most urban city in the state, making them very low priority when compared to the other communities that may apply for grants through the ConnectME Authority or USDA grant programs. Not only did their status as a part of Portland prevent them from accessing state or federal money, but it also prevented them from deciding whether or not their tax money could be spent on broadband infrastructure. While other rural towns can make tax allocation decisions through a vote, Cliff Island did not have that ability. Additionally, Cliff Islanders needed to work with the City of Portland through its permitting processes, which was an added complication.


Mark Oulette of Axiom Technologies, Walt Swift of CI Fiber, Nate Brimmer of Axiom Technologies, and Cheryl Crowley of SCI fielded questions from community members at a meeting held to celebrate the launch of the new broadband system.

Another challenge is community buy-in. Without community buy-in, the project could not have been funded, and not enough shares of CI fiber would have been sold. Cliff Island overcame that challenge by constantly keeping the community informed.

“I think a key thing is to continue to have community meetings. Keep the community involved throughout. I think that’s where the buy in came from. We made the process transparent.”

- Cheryl Crowley, Sustainable Cliff Island

Keeping the community in the loop throughout the entire community-driven broadband process was key to having a high take rate. The original goal was to have 60 homes on the island sign up for the service, and by the time it went live, there were 80 homes on board.

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The Cliff Island broadband project was also able to leverage its resources to tie in other community projects. In recent history, there hasn’t been an official Cliff Island health center.

An addition had to be built onto the Community Hall to house the broadband infrastructure and microwave tower. Included in this addition was an adjacent room which will now be used as the community health center that will be funded by SCI. Furthermore, a new generator and electrical system was installed as a part of this construction. This combined funding helped bring down the cost for CI Fiber since the construction was implemented for multiple purposes.


  • With infrastructure funded and owned by CI Fiber, and with service through Axiom Technologies, Cliff Island was able to attain service that reaches broadband speeds.

  • 80 homes on Cliff Island are signed up through Axiom’s service. 20 of these homes are occupied year-round. Because of this take rate, CI Fiber shareholders will eventually have their investments paid back.
  • The signal is transmitted from a microwave tower on top of One City Center in Portland to a tower on top of the Cliff Island Community Hall.
  • The infrastructure will last for at least 20 years.

Nate Brimmer

The microwave tower during its erection and fiber being laid