Baixa do Ambrósio

A marine reserve reef off Santa Maria where dozens of sicklefin devil rays gather each summer, schools sometimes topping 50 animals. Often deep with current, but much of the action sits high in the water column, so snorkellers can watch too on calm days.

Depth

540m

Current

Strong

Diver level

Advanced open water

Entry

Boat

Unique features

  • One of the world's most reliable summer sicklefin devil-ray aggregations
  • Only ~3 miles off Santa Maria — much shorter run than Princess Alice
  • Shallow enough for confident snorkellers in calm conditions

Sources & last checked

Checked July 2026

This is a researched draft, not yet human-verified. The seasonality and logistics are drawn from the sources below — confirm specifics (permits, fees, closures) with an operator before you book.

Note on the data: Coordinates are approximate; not surveyed dive-site GPS.