wreck

MV Castor

wreck in Boynton Beach

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Details

Advanced Open Water

Minimum Recommended Certification

Max Depth	110 ft
Average Depth	100 ft

Access

Temporary Line

GPS coordinates

26° 28.730' N
80° 02.228' W

Frequently visiting operators

	Starfish Scuba
	South Florida Diving HQ Boynton

🎥 Didier Follain-Grisell

Upcoming trips (18)

Operator	Date	Time	Availability click-to-book	Trip Name click for details
South Florida Diving HQ Boynton	2025-10-27	08:30	-	Castor Wreck (Advanced)
South Florida Diving HQ Boynton	2025-11-05	13:30	16	Castor Wreck (Advanced)
Starfish Scuba	2025-11-06	10:00	13	Castor Wreck/Reef
South Florida Diving HQ Boynton	2025-11-07	08:30	18	Castor Wreck (Advanced)
South Florida Diving HQ Boynton	2025-11-10	08:30	18	Castor Wreck (Advanced)
South Florida Diving HQ Boynton	2025-11-20	08:30	18	Castor Wreck (Advanced)
South Florida Diving HQ Boynton	2025-11-23	08:30	18	Castor Wreck (Advanced)
South Florida Diving HQ Boynton	2025-11-27	08:30	18	Castor Wreck (Advanced)
South Florida Diving HQ Boynton	2025-11-29	13:30	18	Castor Wreck (Advanced)
South Florida Diving HQ Boynton	2025-12-02	08:30	18	Castor Wreck (Advanced)
South Florida Diving HQ Boynton	2025-12-05	13:30	18	Castor Wreck (Advanced)
South Florida Diving HQ Boynton	2025-12-07	08:30	18	Castor Wreck (Advanced)
South Florida Diving HQ Boynton	2025-12-10	08:30	18	Castor Wreck (Advanced)
South Florida Diving HQ Boynton	2025-12-20	08:30	18	Castor Wreck (Advanced)
South Florida Diving HQ Boynton	2025-12-23	08:30	18	Castor Wreck (Advanced)
South Florida Diving HQ Boynton	2025-12-27	08:30	18	Castor Wreck (Advanced)
South Florida Diving HQ Boynton	2025-12-29	13:30	18	Castor Wreck (Advanced)
South Florida Diving HQ Boynton	2025-12-31	13:30	18	Castor Wreck (Advanced)

The wreck is tilted to its starboard side

📸 Aquatic Ventures

Goliath groupers aggregate in big numbers by the end of the summer

📸 Unknown

A Goliath grouper glides near the wreck

📸 Unknown

Goliath groupers pose for the picture

📸 Alan C. Egan

Best Gas

show details

Overlay Image

Diluent mix

Oxygen 21%

Helium 35%

Nitrogen 47%

Gas prices

Diluent tank	$35.50
O2 tank	$10.00

Diluent

Diluent PPO2 at max depth (110 ft) 0.9 atm

O2 Content Diluent

Set Point 1.2 atm

Set Point

END at max depth (110 ft) ft

He Content Diluent

O2 narcotic?

Loop temperature at depth °F/°C

Loop temperature

Consider H2O vapor?

Gas density g/L

32

/

45

Hypoxic at surface

Calculate Best Diluent

Overlay Image

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 110 ft - 24 hr min surface interval - m

Always use a dive computer

Nitrox

PPO2 at max depth (110 ft) Bottom PPO2 atm

PPO2 at average depth (100 ft) Bottom PPO2 atm

O2 Content

32%

Calculate Best Nitrox

Decompression planning

Wreck Details

img-blur-shadow

Freighter

Sunk date

December 15th, 2001


258 ft	40 ft
Length	Beam

Site Description

Route

Typical Conditions

Wreck History

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