Diving atUnnamed Memorial Reef 43 (United States)
Off the coast of Key Biscayne, Miami, the Unnamed Memorial Reef 43 beckons divers to clear blue waters. An artificial reef, designed as an artistic replica of the Lost City of Atlantis, rests in approximately 12-14 m (40-45 ft) of water. Its structures foster thriving marine habitats, making the site visible and accessible for recreational exploration.
Current morning readings from Unnamed Memorial Reef 43 indicate an air temperature of 26.5°C. Surface wave heights are averaging around 0.4 m at this time. These local measurements provide a baseline for your daily dive planning.
Dive Site Location & Key Facts
Everything you need to know about this dive site.
Dive Site Overview
The Unnamed Memorial Reef 43 presents a structured underwater landscape distinct from natural formations, the largest man-made reef of its kind. Functioning as a living resting place, it holds cremated remains of approximately 1,500 individuals within an artistic replica of the Lost City of Atlantis.
Elaborate plaques and stones shaped like starfish and turtles memorialize them, set amidst towering columns and striking lion statues, all submerged about 12-14 m (40-45 ft) below the surface. This unique design also offers recreational divers an unparalleled aesthetic experience. Beyond its memorial aspect, the site operates as an ecological masterpiece, serving as a valuable laboratory for marine biologists, students, and researchers.
Consistently drawing a diverse array of schooling fish and other marine life, it significantly enhances the local coastal environment. Exploring this destination offers an immersion into a blend of art, remembrance, and vital ecological purpose.
Unnamed Memorial Reef 43
Conditions are Excellent
Best Dive Window
07:00 - 14:00
Optimal conditions expected
Current conditions near Unnamed Memorial Reef 43 show 26° air, 28° sea temperature, 0.7 m waves, and 23 km/h wind. Forecast data is refreshed regularly to ensure accuracy.
Best Time to Dive
Diving opportunities at this reef exist year-round, though conditions vary significantly by season. Calmer summer and early autumn months, from May through October, generally align with the best time for diving, typically registering a 'Good' dive score. During July and August, average wave heights reach their lowest, around 0.6-0.7 m (2.0-2.3 ft), with gentle winds of approximately 23-25 km/h (14-16 mph). Air temperatures during these prime months range from 24-29°C (75-84°F). Conversely, winter months, especially January, March, April, November, and December, often present 'Moderate' dive scores due to increased wave action and stronger winds, sometimes reaching 32-35 km/h (20-22 mph). Rain is fairly consistent throughout the year, averaging 3-4 mm monthly, rarely dictating dive planning. Water temperatures in the summer can reach 27°C (81°F), though a noticeable thermocline may be present around 9 m (30 ft).
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
Conditions at Unnamed Memorial Reef 43 generally support an immediate sense of wonder, with its 'Lost City of Atlantis' motif clearly visible near max depth. Main structures, including towering columns and large cement arches, rest on the seafloor at approximately 13 m (43 ft). Divers encounter artificial constructs forming intricate swim-throughs and sheltered areas. Water temperature varies; summer averages around 27°C (81°F). Visibility typically remains good, though local currents or recent rainfall can affect clarity. A thermocline is sometimes present around 9 m (30 ft), causing a temperature drop in deeper sections. The site is designed for accessibility, suiting Open Water Divers and snorkelers.
Dive Difficulty & Safety Guidelines
Diving this memorial reef primarily requires sound recreational practices and respect for its unique purpose. As an artificial structure, awareness of potential snag points or sharp edges is prudent, though the site is well-maintained for diver safety. Maintaining proper buoyancy control is essential, preventing accidental contact with delicate marine growth or memorial plaques. The reef serves as a final resting place; respectful behavior underwater is expected from all visitors. Currents can occasionally be present, varying with tidal flows, so always confirm local conditions before entry.
Recommended Equipment
- Dive Computer
This gear list is based on verified equipment signals for Unnamed Memorial Reef 43, United States. Always confirm final gear choices with your dive operator, guide, or liveaboard.
Recommended Dive Suit
2-3mm shorty or light wetsuit usually provides adequate warmth in water around this temperature. Those diving at Unnamed Memorial Reef 43 today will likely encounter water temperatures in the region of 28°C (82°F). Surface air temperatures are resting at 26°C (79°F).
Weather models currently point toward consistent diving conditions over the next several days.
Conditions can vary slightly across different parts of the same dive site.
Due to technical issues with our weather providers, data hasn't been fetched for over 48 hours. The data above reflects the conditions at the time of the last successful fetch.
Emergency & Medical Support
Essential information to help you plan your dive trip to Unnamed Memorial Reef 43.
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 Unnamed Memorial Reef 43
Structures of the Unnamed Memorial Reef 43 have successfully fostered a diverse marine habitat. Divers often encounter schools of great barracuda congregating beneath the large cement arches. Numerous scorpionfish are present, demonstrating remarkable camouflage against the reef's artificial surfaces. Exploring the various sections of the 'Lost City' can reveal green moray eels tucked into crevices, alongside large southern stingrays gliding over the seafloor. Lobsters and crabs find refuge among the artistic elements. Such dedication to promoting coral and marine organism growth attracts a vibrant array of schooling fish, contributing to a lively underwater ecosystem.
Dive Centers Near Unnamed Memorial Reef 43
Working Hours
Today: Closed
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Frequently Asked Questions
What is the Unnamed Memorial Reef 43?
It is the largest man-made reef ever conceived, functioning as an underwater cemetery and an artistic replica of the Lost City of Atlantis. It provides a living resting place for cremated remains while also serving as a marine habitat.
Where is this dive site located?
Located approximately 3.25 miles east of Key Biscayne, Miami, in the United States. This prime ocean area contributes to its world-class dive destination status.
What is the maximum depth of the reef?
Sitting in approximately 12-14 m (40-45 ft) of water, the reef is fully accessible within standard recreational diving limits. It's suitable for Open Water Divers and snorkelers.
What marine life can be seen at the site?
A variety of marine life inhabits the reef, including schools of great barracuda, scorpionfish, green moray eels, and large southern stingrays. Lobsters and crabs are also commonly observed amidst the structures.
What skill level is required to dive here?
Accessible to Open Water Divers due to its relatively shallow maximum depth of 12-14 m (40-45 ft). Snorkelers can also enjoy the upper sections of the reef.
Are there any specific guidelines for diving this memorial reef?
Divers are encouraged to maintain proper buoyancy control and show respect for the site's unique purpose as a memorial. It's important to avoid contact with the structures or marine life to preserve the reef and its memorial plaques.
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Unnamed Memorial Reef 43
Conditions are Excellent
Best Dive Window
07:00 - 14:00
Optimal conditions expected
Current conditions near Unnamed Memorial Reef 43 show 26° air, 28° sea temperature, 0.7 m waves, and 23 km/h wind. Forecast data is refreshed regularly to ensure accuracy.