Immigration Enforcement Expands to Lisbon Ferries: What Commuters and Employers Need to Know

The Portugal Maritime Police and the National Unit for Foreigners and Borders (UNEF) of the Portuguese Public Security Police (PSP) intercepted and notified six undocumented migrants during a joint river surveillance operation on the Tagus estuary, part of an escalating nationwide crackdown on irregular immigration that saw over 1,300 detentions last year alone.

Why This Matters

• Transport hubs under scrutiny: The March 6 ferry route between Cacilhas and Cais do Sodré—a critical commuter artery for tens of thousands daily—is now a routine checkpoint for immigration enforcement.

• Portugal's new enforcement posture: Voluntary returns surged 283% in 2025, and deportations rose 58%, signaling a policy pivot toward "regulated and humanist" migration controls.

• Wider compliance net: The same operation flagged nine violations in food safety and labor law enforcement, showing how immigration raids now extend to economic compliance.

Operation Travessia Segura II: River Transit as Enforcement Zone

On March 6, authorities deployed Operation Travessia Segura II, targeting the Tagus ferry crossing that connects Almada's Cacilhas district to Lisbon's central Cais do Sodré terminal. Maritime officers stopped and questioned eight passengers using the river shuttle service—a popular commuter choice for residents working in the capital but living south of the Tagus.

Of those questioned, six foreign nationals were found to lack valid residency status and were formally notified by the UNEF, the PSP unit created in August 2025 to absorb functions from the disbanded Immigration and Borders Service (SEF). Notification typically triggers a deadline for voluntary departure or initiates formal removal proceedings.

The operation forms part of Portugal Sempre Seguro 2026, the Internal Security System (SSI)'s umbrella initiative coordinating multiple enforcement agencies across the country. Unlike previous years when immigration checks centered on airports and land borders, the inclusion of short-haul domestic ferry routes marks a geographical and operational expansion of enforcement.

Dual-Front Enforcement: Immigration and Labor Violations

The same operation extended beyond immigration enforcement. Partnering with the Economic and Food Security Authority (ASAE) and the Working Conditions Authority (ACT), authorities conducted simultaneous inspections of catering establishments in the Lisbon area.

These restaurant checks uncovered eight ASAE violations—ranging from food safety breaches to licensing irregularities—and one labor law infraction flagged by the ACT, all subject to administrative fines. The dual approach reflects the government's strategy of bundling immigration enforcement with workplace compliance raids, a tactic aimed at disrupting informal employment networks that often facilitate irregular residency.

Context: Portugal's Immigration Enforcement Surge

The Travessia Segura II operation comes amid a sharp intensification of immigration controls nationwide. In 2025, Portuguese police detained 1,307 foreign nationals and conducted 4,330 enforcement operations that screened over 33,700 foreign citizens. In the Lisbon metropolitan area alone, 94 police actions led to 30 detentions and 99 notifications for voluntary departure.

Voluntary returns jumped to 758 in 2025, nearly four times the 2024 figure of 198. Deportations via forced removal climbed 58% to 276 cases, with Brazilians accounting for more than half of all expulsion proceedings in both years.

At Portugal's airports, authorities refused entry to 14,006 travelers from outside the Schengen Area in 2025—more than double the 2024 level—reflecting stricter application of EU border protocols as the bloc recorded a 26% drop in irregular crossings overall. However, the Western Mediterranean route, which includes air transit through Portuguese airports, saw a 14% uptick, pressuring Lisbon and Porto to tighten screening.

Institutional Overhaul and Expansion

The operational landscape has shifted dramatically since the extinction of the SEF, Portugal's former immigration agency, which transferred border control, enforcement, and deportation responsibilities to the PSP, the Republican National Guard (GNR), and the Judicial Police (PJ).

The UNEF, now embedded within the PSP, is slated to double its staffing to 2,000 officers over the next two years, a recruitment drive aimed at meeting the demands of the EU Pact on Migration and Asylum, which enters full force in June 2026. That pact mandates the launch of the Entry/Exit System (EES) and the European Travel Information and Authorization System (ETIAS), both of which will digitize and accelerate biometric screening at EU borders.

What This Means for Residents

For anyone living or traveling in Portugal—whether as a foreign national, employer, or commuter—the implications are immediate:

• Routine checks on public transport: Ferry routes, commuter trains, and bus lines are no longer immune from identity and residency verification. Carry valid documentation at all times.

• Employers face dual scrutiny: Immigration status and labor compliance are now assessed simultaneously. Hiring undocumented workers risks both administrative fines and criminal investigation.

• Voluntary return incentives: Authorities are prioritizing voluntary departures over detention. Migrants in irregular status may receive formal notification with a time-limited option to leave without formal deportation.

• Increased refusals at entry points: Travelers from non-Schengen countries face heightened screening, especially at Lisbon Portela and Porto airports, where refusal rates more than doubled in 2025.

Broader Crackdown: From Gambérria to Aliança Digital

The river patrol is part of a wider government strategy to dismantle organized networks facilitating illegal residency. In 2025, the Judicial Police dismantled multiple criminal operations:

• Operation Gambérria led to the arrest of 16 individuals, including business owners, a lawyer, and a Foreign Ministry employee, accused of mass-scale fraudulent residency legalization and money laundering.

• Operation Aliança Digital in Lisbon resulted in 58 arrests for exploiting social media to broker fake employment contracts and fraudulent marriages.

Authorities estimate that tens of thousands of irregular migrants remain in Portugal, many having entered with falsified job offers and non-existent sponsoring companies, underscoring the systemic challenge facing enforcement agencies.

Legislative Tightening and Future Enforcement

In December 2025, the Portuguese Cabinet approved a new Return Regime for Foreign Nationals in Illegal Situations, described by the government as a shift from "wide-open doors" to "regulated and humanist" migration policy. The law is currently advancing through Parliament and aims to codify stricter return procedures while ensuring compliance with human rights obligations.

The Action Plan for Migrations, approved in June 2024, ended the Manifestações de Interesse fast-track residency mechanism, resolved over 400,000 pending cases, and established a multi-force inspection team to combat human trafficking, labor exploitation, and fraudulent documentation.

Enforcement Beyond Borders

Portugal has also increased participation in international enforcement operations. In February 2026, the PSP joined Joint Action Day Stopover 5, a coordinated European operation at Lisbon and Porto airports involving 900 agents. The two-day sweep resulted in 52 entry refusals, 9 cases of document forgery, 2 identity fraud cases, and the identification of a human smuggling facilitator.

In November 2025, the Judicial Police contributed to Interpol's Operation Liberterra III, which across 119 countries flagged 1,800 trafficking victims, detected 12,992 irregular migrants, and arrested 3,744 suspected traffickers.

The New Normal for Commuters and Employers

The Travessia Segura II operation signals that immigration enforcement in Portugal has moved from airport terminals and border posts into the daily fabric of urban transit and commercial life. The Cacilhas-Cais do Sodré ferry, which carries an estimated 20,000 passengers daily, is now a checkpoint as routine as any international arrival gate.

For residents, this means a recalibration of expectations around mobility and documentation. For employers, it means zero tolerance for hiring shortcuts. And for migrants in limbo, it means the window for regularization is closing fast—voluntarily or otherwise.