Rock Key
The crevices within the reef at Rock Key present a unique opportunity for divers. Unlike other coral reefs, the crevices at Rock Key are deeper and wider, providing an ideal habitat for a variety of marine life including grouper, moray eels, and other captivating Florida fish.
When exploring the waters around Rock Key, divers can expect to encounter a vibrant array of Caribbean marine life. Alongside the typical inhabitants of the region, such as nurse and reef sharks, there is also a possibility of encountering eagle rays, turtles, stingrays, and an abundance of fish species including snapper, angelfish, grunts, parrotfish, and grouper.
The visibility at Rock Key is excellent, reaching up to 10 meters, allowing divers to fully appreciate the beauty of the underwater scenery. With a maximum depth of 10 meters, this dive site is accessible to divers of all levels, making it an excellent choice for beginners looking to explore the underwater wonders of the United States.
Located in Monroe County, Florida, Rock Key offers a convenient diving location within the United States. Whether you are a local or visiting from afar, this dive site is sure to provide an unforgettable diving experience. Explore the depths of Rock Key and immerse yourself in the captivating marine life that awaits beneath the surface.
When exploring the waters around Rock Key, divers can expect to encounter a vibrant array of Caribbean marine life. Alongside the typical inhabitants of the region, such as nurse and reef sharks, there is also a possibility of encountering eagle rays, turtles, stingrays, and an abundance of fish species including snapper, angelfish, grunts, parrotfish, and grouper.
The visibility at Rock Key is excellent, reaching up to 10 meters, allowing divers to fully appreciate the beauty of the underwater scenery. With a maximum depth of 10 meters, this dive site is accessible to divers of all levels, making it an excellent choice for beginners looking to explore the underwater wonders of the United States.
Located in Monroe County, Florida, Rock Key offers a convenient diving location within the United States. Whether you are a local or visiting from afar, this dive site is sure to provide an unforgettable diving experience. Explore the depths of Rock Key and immerse yourself in the captivating marine life that awaits beneath the surface.
Diving Conditions Score for Rock Key
7.4
GoodGood diving conditions!
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Rock Key
Depth
10m
Visibility
10m
Experience Level
beginner
Weather Conditions for Rock Key
Wave Height
0.34m
Wind Speed
12.6 m/s
Water Temp
31.3°C
Visibility
21km
Cloud Cover
3%
Wave Period
4.2s
Air Temperature
27.7°C
Precipitation
0 mm
Detailed 7-Day Diving Forecast for Rock Key
Alpha
Dive Score Chart for Rock Key
Best time to dive: 17:00 with score 8.751686746987952/10. Water conditions: Waves 0.36m, Wind 1.1 m/s.Best night dive time: 22:00 with score 8.140476190476189/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at Rock Key: 06:00
Sunset at Rock Key: 18:00
Optimal diving conditions at Rock Key are affected by daylight hours. Sunrise occurs at 06:00 and sunset at 18:00, which impacts visibility and water temperature for scuba diving and snorkeling.
Best Overall
17:00Score: 8.8/10
Waves: 0.36m (4.15s), Wind: 1.1 m/s
Best Night
22:00Score: 8.1/10
Waves: 0.3m, Wind: 3.1 m/s
Seasonal Analysis for Rock KeyAlpha
Historical patterns and best seasons for diving at Rock Key
The dive score combines all factors to rate overall diving conditions throughout the year. Higher scores indicate better diving conditions.
Monthly Dive Score Analysis - Seasonal Diving Conditions
Higher values indicate better diving conditions
Seasonal DiveScore Chart
This chart displays monthly diveScore data throughout the year, showing seasonal patterns. The data is presented as a bar chart with an overlaid line graph.Dive scores range from 1 to 10, with 10 being optimal conditions.
Higher values indicate better diving conditions
Best Season for Rock Key
Winter
Avg. Score: 8.7/10
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Rock Key
December
Score: 8.8
January
Score: 8.7
February
Score: 8.7
Ideal Conditions for Rock Key
Water Temp
27.5°C / 81.5°F
June
Visibility
11.6m / 38.1ft
October
Wave Height
2.4m / 7.9ft
September
Wave Period
8.0s
January
Seasonal Insights for Rock Key
Rock Key shows typical northern hemisphere patterns with July being the warmest month (28.4°C) and January the coldest (17.9°C). The calmest conditions typically occur in September with average wave heights of 2.4m and wave periods of 8.0s. The most comfortable wave conditions are in September with a low wave steepness ratio, creating gentler swells. January offers the longest wave periods (8.0s), creating more comfortable and predictable conditions for boat entries and exits. Ocean currents are slowest in January (0.5m/s) and strongest in January (0.5m/s). February is usually the driest month with 0.1mm of precipitation. For beginners, the best time to visit would be during September to November, when ocean conditions are calmer with long-period waves and currents are typically weaker. Experienced divers might enjoy the challenges and potentially better visibility during the shoulder seasons, with moderate currents that can improve marine life encounters.
Last updated: 1 min. ago - Jun 30, 2026
Note: This dive site is not a verified dive site. Please dive with caution. This dive site might have incorrect information by the community.
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