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Los Sombréros

The dive site known as Sombrero is conveniently situated just 9.5km from Playa Potrero or approximately 6 miles away. Its unique name derives from its resemblance to iconic Mexican hats. With various launching points scattered around the islands, divers have plenty of options to explore. The northern side of the site is notably deeper, allowing divers to adapt the depth according to their preferences and experience levels.

Divers can anticipate encountering an array of captivating marine life at Sombrero. This includes white tip sharks, expansive schools of fish, and the occasional presence of devil rays during certain seasons. The hawksbill turtle population particularly favors this island, adding to the diverse species that can be observed underwater. Explorers will also encounter canyons, evidence of the island's volcanic nature.

The opportunities for marine encounters at Sombrero are plentiful. Schools of fish of various types can be observed, sometimes in large formations. Devil rays are particularly fond of this site and can be spotted in groups of over 200 individuals during specific times of the year. White tip sharks also leave their mark in the area, often seen resting on the sandy ocean floor near the canyons or sometimes concealed beneath rocks with narrow crevices. A knowledgeable instructor or divemaster can guide you to these hidden spots, allowing you to witness these fascinating creatures. Other notable sightings include moray eels, octopuses, lobsters, and occasionally, magnificent manta rays. The real treat, however, lies in encountering the beloved hawksbill turtle population. And on rare occasions, lucky divers may even have the chance to swim alongside majestic whale sharks.

With a visibility of 12m and a maximum depth of 19m, Sombrero caters to divers of varying skill levels. Whether you're a beginner or an advanced diver, this dive site in Costa Rica's Provincia Guanacaste promises an unforgettable underwater adventure.

Diving Conditions Score for Los Sombréros

6.9
Above Average

Decent conditions, proceed with caution.
The score is based on a calculation of the current weather and sea conditions.

Dive Site Overview for Los Sombréros

Depth

19m

Visibility

12m

Experience Level

beginner
advanced

Weather Conditions for Los Sombréros

Wave Height

1.12m

Wind Speed

14.7 m/s

Water Temp

29.9°C

Visibility

23.04km

Cloud Cover

82%

Wave Period

11.35s

Air Temperature

29.2°C

Precipitation

0.2 mm

Detailed 7-Day Diving Forecast for Los Sombréros
Alpha

Dive Score Chart for Los Sombréros

Best time to dive: 16:00 with score 8.066366666666667/10. Water conditions: Waves 1.06m, Wind 5.9 m/s.Best night dive time: 3:00 with score 7.758260746460747/10.

Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.

Sunrise at Los Sombréros: 06:00
Sunset at Los Sombréros: 18:00

Optimal diving conditions at Los Sombréros 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
16:00

Score: 8.1/10
Waves: 1.06m (12.5s), Wind: 5.9 m/s

🌙
Best Night
3:00

Score: 7.8/10
Waves: 1.14m, Wind: 2.4 m/s

Seasonal Analysis for Los Sombréros
Alpha

Historical patterns and best seasons for diving at Los Sombréros

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 Los Sombréros

Winter

Avg. Score: 9.5/10

Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.

Best Months for Los Sombréros

January
Score: 9.6
February
Score: 9.6
March
Score: 9.5

Ideal Conditions for Los Sombréros

Water Temp

Thermometer Emoji

26.9°C / 80.4°F

March

Visibility

Telescope Emoji

11.1m / 36.4ft

December

Wave Height

Wave Emoji

1.4m / 4.6ft

November

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for Los Sombréros

Los Sombréros shows typical northern hemisphere patterns with April being the warmest month (27.1°C) and November the coldest (21.8°C). The calmest conditions typically occur in November with average wave heights of 1.4m and wave periods of 8.0s. The most comfortable wave conditions are in November 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). January is usually the driest month with 0.0mm of precipitation. For beginners, the best time to visit would be during November to January, 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.

Scoring Legend:
9-10 (Excellent)
7-8 (Good)
5-6 (Average)
3-4 (Poor)
1-2 (Dangerous)

Last updated: 1 min. ago - Jun 18, 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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