
Diving atSandflea Reef #27 (United States)
Part of the extensive SR-27 artificial reef system off Navarre Beach, Sandflea Reef #27 provides a constructed habitat designed to attract and support diverse marine species. This site features a variety of modules that quickly become home to schooling fish and invertebrates. Divers exploring these structures often observe smaller reef fish, and with time, larger pelagic species are also drawn to the added complexity and food sources the reef creates. It serves as a vital ecosystem building block.
Starting the day at Sandflea Reef #27, the ambient air temperature is recorded at 27.5°C. Ongoing monitoring shows wave heights measuring 0.5 m. This data represents the current surface conditions for early activities.
Dive Site Location & Key Facts
Everything you need to know about this dive site.
Dive Site Overview
Embarking on a dive at Sandflea Reef #27 introduces divers to a carefully designed underwater landscape, part of the broader SR-27 artificial reef initiative off Navarre Beach, Florida. It's one of 27 individual patch reefs within an area specifically engineered for ecological enhancement and recreational exploration.
Approximately one mile offshore, the reef system comprises over 500 modules, offering varied structures that range from 15-foot-tall (4.5 m) large tetrahedrons to 8-foot-tall (2.4 m) tetrahedron pyramids and 6-foot-tall (1.8 m) ledge and disk modules, often referred to as "grouper boxes." A $1.2 million project, it was developed using Natural Resource Damage Assessment Early Restoration funds following the 2010 Deepwater Horizon Oil Spill. Descending onto Sandflea Reef #27 reveals a structured environment purpose-built to foster marine life, where corals begin to colonize and fish species find shelter and feeding grounds. Each module acts as an anchor point for a new ecosystem, steadily transforming the sandy seafloor into a vibrant habitat. It’s an opportunity to witness conservation efforts actively creating new underwater worlds.
Sandflea Reef #27
Conditions are Good
Best Dive Window
Optimal conditions expected
Current conditions near Sandflea Reef #27 show 27° air, 29° sea temperature, 0.6 m waves, and 26 km/h wind. Forecast data is refreshed regularly to ensure accuracy.
Best Time to Dive
For optimal visibility and comfort at Sandflea Reef #27, planning your dive between May and October typically yields the most favorable conditions. During these months, air temperatures consistently range from a pleasant 24°C (75°F) in May to highs of 29°C (84°F) in August, generally contributing to warmer surface conditions. While specific water temperature data for this site is not consistently reported, the warm air temperatures of these months often coincide with the highest water temperatures regionally, enhancing diver comfort. Rainfall is generally moderate during this period, with monthly averages around 3.1-5.8 mm (0.12-0.23 inches), meaning heavy rain events that could impact visibility are less frequent or localized. Wave heights are also typically lower, averaging 0.5-0.7 m (1.6-2.3 ft), leading to calmer surface conditions and potentially clearer underwater visibility. Conversely, cooler months from November to April see air temperatures drop to 12°C (54°F) in January, with generally higher wave action and winds, which could reduce visibility and make surface conditions choppier.
PEAK SEASON SCORE
Scores combine air & water temps, waves, wind & rainfall for overall conditions.
BEST MONTHS TO DIVE
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
Entry to Sandflea Reef #27 typically involves a boat journey approximately one mile offshore from Navarre Beach. Upon arrival, divers prepare for an immersive experience among structures specifically designed to attract marine fauna. Reef modules themselves, including the prominent 15-foot (4.5 m) tall tetrahedrons, are strategically placed to offer diverse underwater topography. While specific depth details for each patch reef within the SR-27 area are not available, artificial reefs of this type commonly start at recreational depths, providing access for certified divers. Current conditions can vary, though the general expectation for artificial reefs in this region tends to be mild to moderate, depending on prevailing weather patterns. Limited available data for this specific site means divers should check local reports. A dive's primary focus revolves around exploring the various modules and observing the developing ecosystem. Visibility depends heavily on local conditions, but on calm days, structures are clearly defined against the sandy bottom.
Dive Difficulty & Safety Guidelines
Approaching Sandflea Reef #27 requires standard dive planning, particularly considering its location approximately one mile offshore. As with any open water site, conditions can change, so monitoring local weather and sea state forecasts is essential. There are no specific hazards reported for this particular artificial reef, but divers should always remain aware of boat traffic overhead. Maintaining adequate buoyancy control is crucial, especially when navigating around the artificial modules to prevent accidental contact that could disturb marine life or cause personal injury. Divers should also be mindful of the potential for fishing lines or other minor debris that can accumulate on artificial structures. Always dive within your certification limits and consider the experience level of your buddy. These are constructed reefs, not intricate natural formations, yet they provide unique exploration opportunities requiring attentive diving practices.
Recommended Equipment
- Dive Computer
This gear list is based on verified equipment signals for Sandflea Reef #27, United States. Always confirm final gear choices with your dive operator, guide, or liveaboard.
Recommended Dive Suit
Divers who spend more time observing marine life often prefer slightly warmer gear.
The water around Sandflea Reef #27 is currently holding at approximately 29°C (83°F), setting the tone for today's dives. Surface air temperatures are resting at 27°C (81°F). Water temperatures in this range are often well suited to diving with 2-3mm shorty or light wetsuit. A hood or vest is suggested for sensitive divers due to surface winds.
Environmental conditions appear stable for the near future.
Emergency & Medical Support
Essential information to help you plan your dive trip to Sandflea Reef #27.

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
Divers Alert Network
Diving emergency assistance available through DAN World.
+1-919-684-9111- 24/7 emergency hotline
- Diving medical assistance
- Evacuation coordination
Emergency contacts are provided for reference. Always verify local emergency services before diving.
Marine Life at Sandflea Reef #27
Exploring the modules of Sandflea Reef #27 provides prime opportunities to observe marine life attracted to the artificial structures. Divers frequently encounter schools of smaller reef fish seeking shelter, and the "grouper boxes" often live up to their name by hosting various grouper species. As the reef matures, corals and sponges colonize the surfaces, creating micro-habitats for invertebrates like crabs and lobsters. While species like French and queen angelfish, parrotfish, and striped grunts are commonly associated with Florida's artificial reefs, their presence at this specific site can vary. Expect to see a burgeoning ecosystem with smaller fish darting between the tetrahedrons and pyramids, and larger fish patrolling the perimeters.
Dive Sites Near Sandflea Reef #27
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Dive Centers Near Sandflea Reef #27
Working Hours
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All Star Liveaboards
Fort Walton Beach Scuba
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Frequently Asked Questions
What type of dive site is Sandflea Reef #27?
Sandflea Reef #27 is an artificial reef, part of the SR-27 system off Navarre Beach, Florida. It consists of various purpose-built modules designed to create marine habitats and support recreational diving.
How deep is Sandflea Reef #27?
Specific depths for each of the 27 patch reefs in the SR-27 area are not detailed. However, the site features structures up to 15 feet (4.5 m) tall, indicating it's intended for recreational diving, likely within typical no-decompression limits.
What kind of structures will I see at Sandflea Reef #27?
The reef is made up of over 500 modules, including 15-foot-tall (4.5 m) large tetrahedrons, 8-foot-tall (2.4 m) tetrahedron pyramids, and 6-foot-tall (1.8 m) ledge and disk modules, also known as "grouper boxes." These structures provide a complex environment for marine life.
Is Sandflea Reef #27 suitable for beginner divers?
While specific current conditions are not consistently reported, artificial reefs at recreational depths are generally accessible for certified divers. Beginners should always consult with local dive operators about prevailing conditions before visiting.
How far offshore is Sandflea Reef #27?
Sandflea Reef #27 is located approximately one mile offshore from Navarre Beach. This typically requires boat access rather than shore entry.
What marine life can be expected at Sandflea Reef #27?
Divers can anticipate seeing various reef fish seeking shelter among the modules, including potential grouper species around the "grouper boxes." As the artificial reef matures, it attracts invertebrates and provides a habitat for schooling fish.
What is the water temperature like at Sandflea Reef #27?
Specific water temperature data for Sandflea Reef #27 is not consistently reported. However, regional trends suggest warmer waters generally occur between May and October, coinciding with higher air temperatures.
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Sandflea Reef #27
Conditions are Good
Best Dive Window
Optimal conditions expected
Current conditions near Sandflea Reef #27 show 27° air, 29° sea temperature, 0.6 m waves, and 26 km/h wind. Forecast data is refreshed regularly to ensure accuracy.










