This dive site, also known as "Amphitheatre", is located within Madeira's underwater park, offering a diverse and vibrant reef ecosystem. Navigation is generally straightforward, following the reef's contours. The site's name, "Arena", likely refers to the sandy patches interspersed amongst the rocky formations. There is no known specific history or story associated with the site beyond its presence within the protected marine park.
The marine life at Arena is rich and varied, featuring schools of bream, trumpet fish, macaronesian groupers, barracudas, jackfish, slipper lobsters, crabs, and reef lobsters. The reef itself likely supports a variety of corals and invertebrates, contributing to the site's overall biodiversity. The area is known for its healthy population of several fish species.
The best time to visit is during the warmer months (spring and summer) when visibility is typically best and the water is warmer. For divers, a basic level of experience is recommended due to potential currents. For freedivers, the site's varied depths and clear visibility offer excellent opportunities. It's advisable to check weather and current conditions before heading out, and always dive with a buddy.

