Dominica

Latin America and the Caribbean · DMA

Dominica is served by six active submarine cables spanning multiple regional systems, giving this small Eastern Caribbean island a degree of connectivity diversity that belies its size — though precise landing infrastructure remains unconfirmed.

Connectivity at a glance

Cable systems
6active
Landing points
0
Resilience score
54

Cable systems serving Dominica

CableStatusReady for serviceLengthDesign capacity
America Movil Submarine Cable System-1 (AMX-1)activeRFS 2014——
ANTILLAS Iactive———
ARCOS-1active———
ECFSactive———
Fibralinkactive———
MCNactive———

Landing points

Landing point records for Dominica are being compiled.

Six cables, one small island

Dominica sits in the middle of the Eastern Caribbean arc, and its position along one of the Atlantic's busier regional cable corridors has attracted a notable number of systems. Six active submarine cables are documented serving the island: AMX-1 (America Movil Submarine Cable System-1, ready for service 2014), ANTILLAS I, ARCOS-1, ECFS, Fibralink, and MCN. For a nation of Dominica's scale, that figure is significant.

The mix of systems reflects different eras and ownership structures within Caribbean telecommunications. ARCOS-1 and ECFS are among the longer-established regional rings, while AMX-1 represents a more recent generation of capacity. ANTILLAS I, Fibralink, and MCN each address specific segments of Eastern Caribbean demand. Together they suggest Dominica has access to multiple independent paths toward international capacity — a meaningful buffer against the single-cable vulnerability that affects many small island states in the region.

What the cable mix implies

Having six cables listed does not automatically translate into six fully independent routes to global internet exchange points. Caribbean systems frequently share onward transit through common hubs — particularly in Florida and Puerto Rico — meaning that physical diversity on the island end does not always guarantee end-to-end route diversity. The practical resilience Dominica enjoys depends on how many of these cables terminate at genuinely different continental landing points and how their backhaul is arranged.

That said, the breadth of systems is a positive indicator. An island dependent on a single cable faces hard outages when that system requires maintenance or sustains damage; an island connected to several systems has options, even if some involve rerouting through regional partners.

Geography and its constraints

Dominica is a rugged, volcanically active island — a geography that complicates terrestrial infrastructure but does not fundamentally alter how submarine cables approach it. The island's relatively deep surrounding waters and its position within the Lesser Antilles chain make it a plausible waypoint or termination point for Eastern Caribbean systems threading between the larger hubs to the north and south.

Landing infrastructure

No landing point locations for Dominica are confirmed in this register. The physical cable station or stations where these systems come ashore, and which operators manage them, are details this profile will incorporate as documentation becomes available. Readers with ground-truth information are encouraged to contribute through the site's submission process.