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 ›  › SEA/US Underwater Cable

20 terabits per second is here.

See how we’ve helped lead the way.

The Project

Hawaiian Telcom is a partner in the Southeast Asia-U.S. (SEA-US) Trans-Pacific Fiber Submarine Cable System, which connects Indonesia, the Philippines, Guam, Hawai‘i and California.

This cable system provides an initial 20 terabit per second (Tbps) capacity, with state-of-the-art 100 Gigabit per second (Gbps) technology. As demand for capacity continues to grow and existing networks age, the SEA-US cable system plays a huge role in the future of bandwidth.

Extending more than 9,300 miles, the SEA-US cable system follows a route that has been designed to bypass congested and earthquake-prone regions and ensure stable connectivity.

View project details here.


  • The fastest cable system connecting Southeast Asia and the U.S.
  • Connectivity with other existing and planned cable systems
  • Backed by expansive and redundant terrestrial networks connecting cable stations in Guam and Hawai‘i
  • Terminates in the “Telecom District” of downtown L.A.
  • A route that bypasses earthquake prone areas of East Asia (including Luzon Straight)

We’re proud to be a partner in this exciting project, which offers a very real solution to the exponential growth in demand for bandwidth.

Our Products

As a partner in the SEA-US cable system, we are offering bandwidth directly to carriers and enterprise customers. We’ve also built a new cable landing station in Makaha, O‘ahu, from which we offer colocation and ground network services.

Bandwidth - We offer faster, more technologically advanced bandwidth from Hawai‘i to L.A. and Guam.

10G & 100G Transpacific IRU with options to upgrade (15 year leases)

Available Transpacific Routes:

  • Hawaii – LA
  • Hawaii – Guam
  • Guam - LA

Backhaul Network Services - Our services include connections to other cable landing stations in the State of Hawaii

Colocation - We provide services at the Hawaiian Telcom Cable Landing Station and at other Hawaiian Telcom Data Centers

Service date: August 2017

sea map

Why Hawaiian Telcom?

  • Hawaiian Telcom is backed by over 130 years of operational experience and 50 years of investment in submarine cable systems.
  • Fiber backhaul connectivity to other cable landing stations and Hawaii data centers
  • Extensive fiber network infrastructure for traffic terminating or originating from Hawaii and/or transiting through Hawaii on other Transpacific systems
  • 24/7/365 Network Operations Center (eNOC)
  • State-of-the-art Endeavor data center with colocation services

Talk to your Hawaiian Telcom sales representative about services on the SEA-US Network today - Call 1-877-482-3322 or send us an email today.

SEA-US Updates

Be part of the action.

  • View the latest developments
    on the SEA-US Cable Project.
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