Sand Island reef - divers-hub.com

Sand Island

reef in Key Largo

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Details

Open Water

Minimum Recommended Certification

Max Depth	28 ft
Average Depth	18 ft

Access

Permanent Mooring Balls

GPS coordinates

25° 01.141' N
80° 22.153' W

Frequently visiting operators

	Horizon Divers
	Conch Republic
	Rainbow Reef Dive Center
	Silent World Scuba Center

Best Gases

Diluent mix

Oxygen 21%

Helium 35%

Nitrogen 47%

Gas prices

Diluent tank	$35.50
O2 tank	$10.00

Diluent

Diluent PPO2 at max depth (28 ft) 0.9 atm

O2 Content Diluent

Set Point 1.2 atm

Set Point

END at max depth (28 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 28 ft - 24 hr min surface interval - m

Calculate NDL

Always use a dive computer

Nitrox

PPO2 at max depth (28 ft) Bottom PPO2 atm

PPO2 at average depth (18 ft) Bottom PPO2 atm

O2 Content

32%

Calculate Best Nitrox

🎥 Aaron Craft

Upcoming trips (34)

Operator	Date	Time	Availability click-to-book	Trip Name click for details
Rainbow Reef Dive Center	2025-04-07	08:30	Y	Sand Island,Hard Bottom Cave
Rainbow Reef Dive Center	2025-04-10	13:30	Y	Wellwood,Sand Island
Rainbow Reef Dive Center	2025-04-12	13:30	Y	Sand Island,Molasses Reef
Rainbow Reef Dive Center	2025-04-14	08:30	Y	Sand Island,Hard Bottom Cave
Rainbow Reef Dive Center	2025-04-17	13:30	Y	Wellwood,Sand Island
Rainbow Reef Dive Center	2025-04-19	13:30	Y	Sand Island,Molasses Reef
Rainbow Reef Dive Center	2025-04-21	08:30	Y	Sand Island,Hard Bottom Cave
Rainbow Reef Dive Center	2025-04-24	13:30	Y	Wellwood,Sand Island
Rainbow Reef Dive Center	2025-04-26	13:30	Y	Sand Island,Molasses Reef
Rainbow Reef Dive Center	2025-04-28	08:30	Y	Sand Island,Hard Bottom Cave
Rainbow Reef Dive Center	2025-04-28	08:30	Y	Sand Island,Hard Bottom Cave
Rainbow Reef Dive Center	2025-05-01	13:30	Y	Wellwood,Sand Island
Rainbow Reef Dive Center	2025-05-03	13:30	Y	Sand Island,Molasses Reef
Rainbow Reef Dive Center	2025-05-05	08:30	Y	Sand Island,Hard Bottom Cave
Rainbow Reef Dive Center	2025-05-08	13:30	Y	Wellwood,Sand Island
Rainbow Reef Dive Center	2025-05-10	13:30	Y	Sand Island,Molasses Reef
Rainbow Reef Dive Center	2025-05-12	08:30	Y	Sand Island,Hard Bottom Cave
Rainbow Reef Dive Center	2025-05-15	13:30	Y	Wellwood,Sand Island
Rainbow Reef Dive Center	2025-05-17	13:30	Y	Sand Island,Molasses Reef
Rainbow Reef Dive Center	2025-05-22	13:30	Y	Wellwood,Sand Island
Rainbow Reef Dive Center	2025-05-24	13:30	Y	Sand Island,Molasses Reef
Rainbow Reef Dive Center	2025-05-26	08:30	Y	Sand Island,Hard Bottom Cave
Rainbow Reef Dive Center	2025-05-29	13:30	Y	Wellwood,Sand Island
Rainbow Reef Dive Center	2025-05-31	13:30	Y	Sand Island,Molasses Reef
Rainbow Reef Dive Center	2025-06-02	08:30	Y	Sand Island,Hard Bottom Cave
Rainbow Reef Dive Center	2025-06-05	13:30	Y	Wellwood,Sand Island
Rainbow Reef Dive Center	2025-06-07	13:30	Y	Sand Island,Molasses Reef
Rainbow Reef Dive Center	2025-06-09	08:30	Y	Sand Island,Hard Bottom Cave
Rainbow Reef Dive Center	2025-06-12	13:30	Y	Wellwood,Sand Island
Rainbow Reef Dive Center	2025-06-14	13:30	Y	Sand Island,Molasses Reef
Rainbow Reef Dive Center	2025-06-16	08:30	Y	Sand Island,Hard Bottom Cave
Rainbow Reef Dive Center	2025-06-19	13:30	Y	Wellwood,Sand Island
Rainbow Reef Dive Center	2025-06-21	13:30	Y	Sand Island,Molasses Reef
Rainbow Reef Dive Center	2025-06-23	08:30	Y	Sand Island,Hard Bottom Cave

A diver explores the shallow reef

📸 Pablo Strika

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Sand Island

Details

Best Gases

Upcoming trips (34)

Divers' Uploaded Pictures

Divers' Reviews

Site Description

Route

Typical Conditions