
Aqua-Marina Diving Center Tenerife
PADI 5 Star IDC dive centre in Playa de las Américas since 1999, running up to three boat dives a day plus a separate shore-dive programme along the coast.
Also known as: Yellow Mountain
A sheltered volcanic bay below an official protected landform on Tenerife's south coast, with named routes from easy shallows to a deep cave.
Last updated July 2026
Montaña Amarilla isn't one dive, it's several, all packed into a single sheltered bay. A shallow route follows the volcanic reef to the "Dinosaur Cemetery," where wave-worn rock is said to resemble bones. A mid-depth route crosses the reef edge at 12 metres past a hidden statue, with the option to return through a narrow arch nicknamed "Ojo de la Aguja," the Eye of the Needle, tight enough to reward a diver who trims out properly. A deeper route swims through a separate rock arch into a cave around 20 metres. Yellow sponge overgrows the rock through every one of these routes, the one constant linking a bay that otherwise changes character depending on which way you go.
Most bays this size offer one dive. Montaña Amarilla offers a rotation: shallow reef, mid-depth arch, deep cave, each with its own name and its own regulars among local divers. Add the concrete structure known as La Torre, colonised enough by marine life to work as an unofficial artificial reef, and the site rewards repeat visits in a way few Tenerife shore entries do.
The yellow sponge is the easy shot, covering rock through every route in the bay, but the narrow Eye of the Needle passage is the one worth planning for. A wide-angle lens captures a diver framed inside the arch; get the timing wrong and you'll just get a wall of rock. In the cave route, slow down for the walls rather than the open water. That's where the smaller, more textured life sits.
Confirm which named route your operator is running before the dive, since the shallow shore reef and the deeper cave are genuinely different experiences. Trim out properly before the narrower arch passage; the site's easy overall rating doesn't apply there. There's no lifeguard on the beach, and the more exposed edges of the bay are worth avoiding in rough swell.
What makes this dive site stand out.
El Arco, El Pasaje, La Torre and a shallow 'Dinosaur Cemetery' each mark a different mood
Colours the rock throughout the bay and gives the site its name
A government-declared natural monument since 1994, not just a marketing label
The 'Eye of the Needle' passage asks for real buoyancy control, not just an easy label
28.0090°N, 16.6385°W
Diveable year-round; late spring through summer tends to be calmer and clearer
Contact a local operator for current pricing
Suits Discover Scuba Diving introductions; the deeper cave and narrow arch suit certified divers comfortable with tighter buoyancy control
Summary
Easy overall, though the narrow 'Eye of the Needle' passage and the deeper cave route ask for more control
Safety considerations
What can go wrong here, and what divers do about it. Conditions change - take the briefing from the operator on the day.
Book a guided dive at this site.

PADI 5 Star IDC dive centre in Playa de las Américas since 1999, running up to three boat dives a day plus a separate shore-dive programme along the coast.

PADI 5-Star IDC and TecRec facility in El Fraile, south Tenerife, running boat trips to 30+ named sites from Las Galletas harbour since 2005.

PADI 5 Star Dive Resort in Costa del Silencio, south Tenerife, family-run since 1987 with a house reef at Montaña Amarilla and small-group day trips.

SSI centre in Los Cristianos, south Tenerife, capping groups at four divers per guide and specialising in beginner and nervous-diver instruction.

PADI, FEDECAS and ISDA-CMAS dive centre in Las Galletas, south Tenerife, with a 21-site own catalogue and paired diver accommodation nearby.

SSI-affiliated dive centre in Las Galletas, south Tenerife, run by local instructor Alfonso Reveron Sebares, with a 14-site catalogue and small-group boat dives to 40 metres.

Small SSI dive centre in Costa del Silencio, 500m from its house site at Montaña Amarilla, run by instructor Marcin with no-deposit booking and transparent pricing.

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The landform above the bay has been an officially declared natural monument since 1994, a genuine government protection status. There is no confirmed diver permit, fee, or quota, so it does not function as a marine reserve in the diving sense.
Yes, the shallower named routes work well for Discover Scuba Diving and newly certified divers. The deeper cave route and the narrow 'Eye of the Needle' passage are better suited to divers comfortable with tighter buoyancy control.
It overgrows the rock throughout the bay and gives the site its name, alongside the yellow-ochre volcanic slopes above the water. It's the visual thread that ties the different named routes together.
A shallow route, to about 8 metres, where wave-worn rock formations are said to resemble bones. It's one of several named sections within the bay, alongside El Arco, El Pasaje, and La Torre.
It's diveable year-round, but late spring through summer tends to bring calmer, clearer conditions.
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