San Luis

San Luis II is the dedicated commercial port of entry connecting San Luis, Arizona with San Luis Río Colorado, Sonora, built to separate truck freight from passenger traffic. It ranks as Arizona's second largest port for imported fresh produce, according to the City of San Luis, and serves the Yuma winter vegetable region. Cargado brokers posted 25 or more loads through San Luis in the past year.

U.S. side

San Luis, AZ

Across the border

San Luis Río Colorado, Sonora

Commercial crossings

San Luis II Commercial Port of Entry

Marketplace activity

25+ loads posted in the past year

What moves through this crossing

Seasonal reefer produce tied to the Yuma and San Luis Río Colorado growing regions, plus dry van freight from local maquiladora and agricultural processing operations.

San Luis anchors the far western corner of Arizona's border, where the Colorado River delta meets the Sonoran desert. Commercial freight uses San Luis II, a standalone commercial port east of the original downtown crossing, purpose-built to separate trucks from passenger and pedestrian flows. The City of San Luis reports it is Arizona's second largest port for imported fresh produce, behind Nogales, and the crossing sits at the heart of one of North America's most productive winter vegetable regions, with Yuma County growing the large majority of U.S. winter leafy greens.

What brokers should know

  • Winter is the season. Reefer demand concentrates in the cooler months when the Yuma and San Luis Río Colorado valleys harvest, and capacity loosens sharply in summer.
  • Purpose-built port. Because San Luis II is commercial-only, trucks are not competing with the heavy pedestrian and commuter flows of the downtown crossing.
  • Thin but real. This is a small market on Cargado today, so lead time and complete postings drive coverage more than anything else.

Produce loads commonly transload at area cold storage for inspection and consolidation before the U.S. linehaul, while manufactured freight runs door-to-door where equipment and schedules allow. See transbordo for the two patterns. Nearby capacity concentrates at Nogales-Mariposa, about four hours east, which shares the same produce seasonality and offers a deeper carrier pool for western Mexico freight. Crossing fundamentals are covered in Mexico 101.

On Cargado, brokers posted 25 or more loads through San Luis in the past year. Postings that spell out commodity, temperature requirements, and true origin and destination get answered first in a market this size.

Common questions

Is San Luis a produce crossing?

Yes, that is its core identity. The City of San Luis reports the port ranks second in Arizona for imported fresh produce, and the surrounding Yuma region dominates U.S. winter leafy greens production. Expect reefer demand to concentrate in the winter shipping season and plan appointments around cold chain infrastructure on the U.S. side.

How do I get loads covered at a small crossing like San Luis?

Post early and post complete. A small vetted carrier pool works this port, and those carriers prioritize postings with real lead time, clear commodity and temperature detail, and the true origin and destination rather than just the border stop. If timing is critical, posting the same freight through Nogales as an alternate routing widens your options.

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