Dive with carousels of giant mobula rays at Princess Alice Bank, a remote seamount rising from the deep Atlantic in the Azores. Groups of 20 to 40 sicklefin devil rays swirl in the blue alongside barracuda and pelagics, about two hours by boat south of Faial and Pico. The rays gather from July to October, best from August to September.

Devil Ray in Princess Alice Bank (Azores, Portugal)

expeditionHardDiving

About This Spot

Dive with carousels of giant mobula rays at Princess Alice Bank, a remote seamount rising from the deep Atlantic in the Azores. Groups of 20 to 40 sicklefin devil rays swirl in the blue alongside barracuda and pelagics, about two hours by boat south of Faial and Pico. The rays gather from July to October, best from August to September.

Best Months to Visit

Up to 88% sighting chance in Princess Alice Bank (Azores, Portugal). Best months: August, September, July.

  • August: 88%
  • September: 85%
  • July: 78%
  • October: 72%

Practical Information

  • Location: Princess Alice Bank (Azores, Portugal)
  • Country: Portugal
  • Coordinates: 37.9700, -29.3300
  • Effort: expedition
  • Accessibility: Hard
  • Observation mode: Diving

Frequently Asked Questions

What is Princess Alice famous for?

Its summer carousels of giant mobula (sicklefin devil) rays, one of the few places on Earth to reliably dive with them in the open ocean.

When is the best time?

July to October, with the most rays and calmest, clearest water from August to September.

How much and how far?

Full-day boat trips start around EUR 399 per person (2026 prices), roughly 2 hours each way from Faial or Pico.

Is it for experienced divers?

Yes, it is a deep, exposed blue-water seamount with current, for experienced divers only.

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