Down Twenty

Coiba Island, Panama

Depth

40m

Visibility

15m - 45m

Entry

Boat

Experience Level

Experienced

Down Twenty

Coiba Island, Panama

Depth

40m

Visibility

15m - 45m

Entry

Boat

Experience Level

Experienced

About Down Twenty

Also known as Bajo Veinte. This site was named by Christian locals and became one of the most often dived sites in the area and consists of a single surfacing pinnacle dropping to a depth of 35 meters. This depth is the shallowest point of this dive and may slope to deeper waters, usually around 40 meters. This pinnacle is covered in spectacular corals and surrounded by a large array of marine life. Sadly, due to the depth of this dive, it is only recommended for intermediate and advanced level divers. Great underwater landscapes and ideal for photography.

Down Twenty Dive Info

Terrain & Features

Other, Reef, Rock, Deep

Entry Type

Boat

Max Depth

40m

Visibility Range

15m – 45m

Experience Level

Experienced

Best Gas Mix

21% – 28%

O₂

CNS Load (20 min)

13% at 38m / 29%

O₂

Multi-Level Dive Planner

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Marine Life

Groupers
Pelagic Fish
Rays
Snappers
Turtles
Various
Wahoo

Weather Conditions

Water Temperature ℃

Dive Operators near Down Twenty

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Location

Dive Site Hazards

Hidden Depth Variations — Complex reef topography can conceal depth changes, leading to unintended profile variations.
Distraction from Marine Activity — High fish activity can distract divers and delay depth or gas awareness.
Rapid Surge Direction Changes — Surge near reef structures can reverse direction quickly, pushing divers sideways into unexpected areas.

Bubble Trapping Under Overhangs — Rock overhangs can trap exhaled bubbles, reducing visibility and causing disorientation.

Reflected Surge Patterns — Surge reflecting off rock faces can create irregular and unpredictable water movement.

Current Funnel Effect — Narrow gaps between rocks can accelerate water flow unexpectedly.

Gradual Narcosis Onset — Narcosis may develop slowly, making self-assessment unreliable.

Task Fixation at Depth — Cognitive narrowing at depth can reduce awareness of time and ascent rate.

Increased Gas Density Breathing Load — Higher gas density at depth increases work of breathing.

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