Conch Wall

reef in Key Largo

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Details

Open Water

Minimum Recommended Certification

Max Depth	100 ft
Average Depth	35 ft

Access

Permanent Mooring Balls

GPS coordinates

24° 57.380' N
80° 27.390' W

Frequently visiting operators

	Conch Republic
	Rainbow Reef Dive Center

🎥 Go Where It's Warm

Upcoming trips (14)

Operator	Date	Time	Availability click-to-book	Trip Name click for details
Sea Dwellers	2026-02-06	08:30	30	Conch Reef - Deep *No Snorkelers: Conch Reef & Conch Wall
Sea Dwellers	2026-02-13	08:30	27	Conch Reef - Deep *No Snorkelers: Conch Reef & Conch Wall
Sea Dwellers	2026-02-27	08:30	30	Conch Reef - Deep *No Snorkelers: Conch Reef & Conch Wall
Sea Dwellers	2026-03-06	08:30	30	Conch Reef - Deep *No Snorkelers: Conch Reef & Conch Wall
Sea Dwellers	2026-03-13	08:30	30	Conch Reef - Deep *No Snorkelers: Conch Reef & Conch Wall
Sea Dwellers	2026-03-20	08:30	28	Conch Reef - Deep *No Snorkelers: Conch Reef & Conch Wall
Sea Dwellers	2026-03-27	08:30	30	Conch Reef - Deep *No Snorkelers: Conch Reef & Conch Wall
Sea Dwellers	2026-04-03	08:30	30	Conch Reef - Deep *No Snorkelers: Conch Reef & Conch Wall
Rainbow Reef Dive Center	2026-04-03	13:30	Y	Conch Wall,Conch Wall North
Rainbow Reef Dive Center	2026-04-04	13:30	Y	Drift Conch Wall,Tarpon Run
Rainbow Reef Dive Center	2026-04-10	13:30	Y	Conch Wall,Conch Wall North
Rainbow Reef Dive Center	2026-04-11	13:30	Y	Drift Conch Wall,Tarpon Run
Rainbow Reef Dive Center	2026-04-17	13:30	Y	Conch Wall,Conch Wall North
Rainbow Reef Dive Center	2026-04-18	13:30	Y	Drift Conch Wall,Tarpon Run

If you see remoras, sharks may be around...

📸 Pablo Strika

The wall is full of sponges

📸 Pablo Strika

The slop on the wall is pretty steep

📸 Pablo Strika

A moray eel is in alert

📸 Pablo Strika

A sponge growing on the slope

📸 Pablo Strika

A juvenile goliath grouper hides under the ledge

📸 Pablo Strika

It's common to find schools of fish in the shallow reefs

📸 Pablo Strika

A school of grunts blending with the environment

📸 Pablo Strika

Soft corals dance with the surge in the shallow reefs

📸 Pablo Strika

Best Gas

show details

Diluent mix

Oxygen 21%

Helium 35%

Nitrogen 47%

Gas prices

Diluent tank	$35.50
O2 tank	$10.00

Diluent

Diluent PPO2 at max depth (100 ft) 0.9 atm

O2 Content Diluent

Set Point 1.2 atm

Set Point

END at max depth (100 ft) ft

He Content Diluent

O2 narcotic?

Loop temperature at depth °F/°C

Loop temperature

Consider H2O vapor?

Gas density g/L

Hypoxic at surface

Calculate Best Diluent

Gas mix

Oxygen Bottom PPO2

Helium Bottom PPO2

Nitrogen Bottom PPO2

Gas prices

Aluminum 80	$10
Steel HP 100	$10
Steel LP 85	$10

NDL at 100 ft - 24 hr min surface interval - m

Calculate NDL

Always use a dive computer

Nitrox

PPO2 at max depth (100 ft) Bottom PPO2 atm

PPO2 at average depth (35 ft) Bottom PPO2 atm

O2 Content

32%

Calculate Best Nitrox

Decompression planning

Site Description

Route

Typical Conditions

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