Holy Trench reef - divers-hub.com

Holy Trench

reef in Miami Beach

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Details

Open Water

Minimum Recommended Certification

Max Depth	60 ft
Average Depth	50 ft

Access

Temporary Line

GPS coordinates

26° 01.143' N
80° 05.263' W

Frequently visiting operators

Squalo Divers

Best Gases

Diluent mix

Oxygen 21%

Helium 0%

Nitrogen 79%

Gas prices

Diluent tank	$9.00
O2 tank	$10.00

Closest standard mix

Air

Diluent

Diluent PPO2 at max depth (60 ft) 0.59 atm

O2 Content Diluent

Set Point 1.30 atm

Set Point

END at max depth (60 ft) 60 ft

He Content Diluent

O2 narcotic?

Loop temperature at depth 99/37 °F/°C

Loop temperature

Consider H2O vapor?

Gas density 3.35 g/L

Calculate Best Diluent

Gas mix

Oxygen 40%

Helium 0%

Nitrogen 60%

Gas Price (Single)

Aluminum 80	$13.00
Steel HP 100	$13.00
Steel LP 85	$13.00

NDL at 60 ft - 24 hr min surface interval - m

Calculate NDL

Always use a dive computer

Nitrox

PPO2 at max depth (60 ft) 1.13 atm

PPO2 at average depth (50 ft) 1.01 atm

O2 Content

40%

Calculate Best Nitrox

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Site Description

This site is the result of an old sewer piper that used to discharge waste in the ocean. Unfortunately, divers have reported seeing this sewer pipe still discharging waste in 2024. Engineers cut a 10 feet deep trench on the seafloor to allow the pipe to run west to east trough the Florida 3rd reef line (also known as Florida outer reef).

The trench offers shelter to a variety of tropical fish.

Route

Divers should navigate this site following the trench walls that run west to east. Local operators usually run this dive as an anchor dive, so divers will be asked to return to the starting point of the dive.

Typical Conditions

Current vary in this site. Although they can be strong, the trench itself offer good shelter for divers. Visibility is usually good in this site.