Scuba Diving at St. Marks Reef E6

Diving atSt. Marks Reef E6 (United States)

St. Marks Reef E6 presents a compelling contrast, where natural seabed features are strategically enhanced by human intervention. This site forms part of a larger initiative to bolster marine ecosystems, combining existing reef structures with purposefully deployed materials. It offers a dive experience that bridges the gap between natural exploration and conservation efforts, creating a richer underwater environment.

As evening covers St. Marks Reef E6, the local air temperature is measured at 28.5°C. The current wave height at the surface is recorded at 0.5 m. These late-day readings characterize the surface conditions for the night.

Dive Site Location & Key Facts

Everything you need to know about this dive site.

Max Depth--
Entry Type--
Water Typesalt
Dive Types
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Dive Site Overview

An intriguing blend of natural topography and artificial reef modules characterizes this dive site. St. Marks Reef E6 forms part of 17 distinct locations within the broader St. Marks Reef system, positioned approximately 5 miles offshore from the wildlife refuge.

At each location, four 1-ton concrete cube patch reefs have been carefully placed, integrating with and complementing existing natural reefs. This thoughtful deployment, the first in the area in about six years at the time of its recent addition, serves a dual purpose: to enhance local fishing opportunities and to enrich the diving experience. Recreational divers typically explore depths reaching around 6.4 meters (21 ft) in this area, making it accessible for various certification levels.

The concrete structures provide substrate for marine growth and shelter for aquatic life, gradually transforming into vibrant habitats.

St. Marks Reef E6

Conditions are Good

8/10
Confidence: 8/10
Indicates meteorological model agreement and data availability.

Best Dive Window

Optimal conditions expected

06:12
18:45
H: 10:45
L: 16:20
Air / Sea Temp
29° / 30°
Wave Height
0.5 m
Wind Speed
32 km/h SW
Rain Chance
50%

Current conditions near St. Marks Reef E6 show 29° air, 30° sea temperature, 0.5 m waves, and 32 km/h wind. Forecast data is refreshed regularly to ensure accuracy.

Radius: ~12km
Updated: Jun 14, 2026, 14:18 local time
MARINE: OPEN-METEOWEATHER: YR.NO

Best Time to Dive

Considering both air temperatures and precipitation patterns, the months of October and November generally offer excellent diving conditions at St. Marks Reef E6. During these months, dive scores are consistently high, and average air temperatures are pleasant, ranging from 18-22°C (65-72°F). Rainfall is also notably lower, averaging around 1-1.6 mm. Summer months, particularly July, August, and September, also provide good diving conditions, albeit with warmer average air temperatures hovering around 26-28°C (79-83°F). However, summer brings increased rainfall, with averages between 4-6 mm, which can occasionally affect surface conditions. Divers planning a trip should consider the slightly milder spring months of May and June, where air temperatures range from 24-27°C (76-81°F) and dive scores remain good.

PEAK SEASON SCORE

83/100
Very Good

Scores combine air & water temps, waves, wind & rainfall for overall conditions.


BEST MONTHS TO DIVE

MAY
JUL
OCT
DIVE SCORE
(0–100)
71
JAN
74
FEB
74
MAR
75
APR
83
MAY
80
JUN
86
JUL
82
AUG
82
SEP
84
OCT
81
NOV
75
DEC
AIR TEMP (°C)
11
14
18
21
25
27
28
28
27
22
18
14
WAVES (M)
0.5
0.5
0.6
0.6
0.5
0.6
0.4
0.4
0.4
0.4
0.4
0.5
WIND (KM/H)
30
29
30
30
28
30
25
28
28
27
26
28
RAIN (MM)
2.9
2.2
4.8
2.9
3.4
4.1
4.1
5.6
6.1
1.3
1.6
4.1
DIVE SCORE GUIDE (0–100)
Excellent (90–100)
Very Good (80–89)
Good (70–79)
Moderate (50–69)
Poor (30–49)
Not Recommended (0–29)

Monthly records compiled from satellite and marine observation nodes over the last 3 years. Data provided by Open-Meteo and MET Norway.

Dive Experience & Conditions

Divers exploring St. Marks Reef E6 can anticipate generally calm current dynamics due to its relatively shallow nature and distance from major open ocean influences. Water temperature is not consistently reported for this specific site, but it likely varies seasonally, mirroring the air temperature fluctuations observed in the region. Visibility at similar nearby sites is not always great, suggesting that conditions here may vary depending on weather and recent rainfall, influencing water clarity. The maximum depth of around 6.4 meters (21 ft) categorizes this as a shallow recreational dive, making it suitable for divers of varying experience levels. Beginners can comfortably explore the reef structures, while more experienced divers can focus on detailed observation of the established and developing ecosystems.

Dive Difficulty & Safety Guidelines

While specific hazards for St. Marks Reef E6 are not detailed, adherence to standard safe diving practices is paramount. Always dive within the limits of your certification and experience. Before entering the water, a thorough check of local weather and sea conditions, including potential currents and visibility reports, is advisable. It's also important to plan your dive, dive your plan, and never dive alone; a buddy system provides crucial support. Local full-service dive shops in Crawfordville, such as Cave Connections and Wakulla Diving Center, can provide valuable insights into current conditions and offer guided tours, enhancing safety and the overall experience.

Recommended Equipment

  • Dive Computer

This gear list is based on verified equipment signals for St. Marks Reef E6, United States. Always confirm final gear choices with your dive operator, guide, or liveaboard.

Recommended Dive Suit

Comfort levels can also depend on how active a diver is during the dive.

Divers exploring St. Marks Reef E6 today will likely encounter water temperatures close to 30°C (86°F). Surface air temperatures are resting at 29°C (83°F). When water temperatures fall within this range, many divers dive comfortably with dive skin or rash guard. Consider warmer surface protection (like a boat coat) due to brisk winds.

Weather projections show fairly stable environmental conditions ahead.

St. Marks Reef E6 conditions last reviewed: 14:18 local time (UTC-6), Jun 14, 2026

Emergency & Medical Support

Essential information to help you plan your dive trip to St. Marks Reef E6.

Hyperbaric Chamber

Hyperbaric chambers are a critical part of dive safety infrastructure. Availability varies significantly by region, and not all dive areas have immediate access.

Before diving, it's recommended to:

  • confirm nearest medical facilities
  • check emergency procedures with local dive operators
  • ensure dive insurance covers evacuation if required
24/7 Available

Divers Alert Network

Diving emergency assistance available through DAN World.

+1-919-684-9111
  • 24/7 emergency hotline
  • Diving medical assistance
  • Evacuation coordination
View official DAN emergency contacts

Emergency contacts are provided for reference. Always verify local emergency services before diving.

Marine Life at St. Marks Reef E6

St. Marks Reef system, including E6, is designed to support and attract diverse aquatic species through its combination of natural and artificial structures. While specific marine life details for E6 are limited, the deployment of concrete patch reefs aims to create new habitats, drawing in various fish species and invertebrates. These structures provide essential shelter and food sources, contributing to the broader ecosystem's health. A general area of Wakulla County is known for abundant wildlife, suggesting that the reef modules at E6 will progressively become home to a range of local marine creatures, making for engaging observations as the reef matures.

Dive Centers Near St. Marks Reef E6

No Dive Centers Local To St. Marks Reef E6

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Nearest Airports

Nearest airports to help plan travel to this dive area.

Tallahassee International AirportTLH
49 km
Valdosta Regional AirportVLD
121 km
Northwest Florida Beaches International AirportECP
163 km
💵Currency:USD

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Frequently Asked Questions

What is the typical depth at St. Marks Reef E6?

St. Marks Reef E6 is a shallow dive site. Divers can expect to explore depths reaching around 6.4 meters (21 ft). This makes it suitable for various certification levels and ideal for extended bottom times.

What kind of reef structures can be found at this site?

St. Marks Reef E6 consists of a combination of natural seabed formations and artificial reef modules. Four 1-ton concrete cube patch reefs have been specifically deployed here, integrating with the existing natural ecosystem to enhance marine habitats.

How far offshore is St. Marks Reef E6 located?

Around 5 miles out from the wildlife refuge, access to this dive site typically requires a boat. Specific coordinates are available for navigation to the reef modules.

What are the best months for diving at St. Marks Reef E6?

Optimal diving conditions, considering both air temperature and lower rainfall, are typically found in October and November. However, the summer months from July to September also offer good diving opportunities, though with higher air temperatures and increased chances of rain.

Is this site suitable for beginner divers?

Yes, with its relatively shallow maximum depth of around 6.4 meters (21 ft) and generally calm conditions, St. Marks Reef E6 is considered suitable for divers of all experience levels, including beginners.

Where can divers find local support or guided tours?

For local insights, equipment needs, or guided tours, divers can visit full-service dive shops in Crawfordville. Cave Connections and the Wakulla Diving Center are both available to assist with dive planning and logistics.

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