France

Grand Case

Grand Case sits on the French side of Saint Martin in the Caribbean. While the town itself is not a dedicated diving city, it acts as a gateway for local reef dives and wrecks accessible by short boat trips from nearby harbors. The area offers calm Caribbean conditions, clear water, and abundant marine life typical of shallow reef environments, with options for beginner to intermediate divers through local dive centers. Expect close-in reefs, pelagics near occasional wrecks, and scenic wall dives in the surrounding sea. Nearby coastal towns provide additional access to dive services, equipment rentals, and courses.

Essential information for traveling in France

About France

Sea
Mediterranean Sea - Western Basin, Celtic Sea, ...
Timezone
America/Lower_Princes
Languages
FR
Demonym
French
Phone prefix
+33

Practicalities

Currency
EUR
Plug type
Type C, Type E, Type F
Airports
CDG ORY MRS NCE TLS

Diving specifics

Temperature
°C
Depth units
meters
Pressure
bar
Regulators
DIN Yoke (INT)

Dive sites and dive centers around Grand Case

Nearby Dive Sites (20)

Nearby Dive Centers (3)

Nearby cities for scuba diving around Grand Case

The best time to dive in Grand Case

The best months to dive in Grand Case are from January to Febuary and December. Temperatures are confortable (26-27°C), currents are mild and the visibility is at its best.

Excellent Good Fair Mitigated
01 - Jan.
26 °C 27 °C 5/10
02 - Feb.
26 °C 27 °C 4/10
03 - Mar.
26 °C 27 °C 5/10
04 - Apr.
26 °C 27 °C 3/10
05 - May
27 °C 28 °C 2/10
06 - Jun.
27 °C 28 °C 3/10
07 - Jul.
28 °C 28 °C 4/10
08 - Aug.
28 °C 29 °C 2/10
09 - Sept.
28 °C 30 °C 1/10
10 - Oct.
28 °C 29 °C 0/10
11 - Nov.
27 °C 28 °C 4/10
12 - Dec.
27 °C 27 °C 5/10

Based on last year's weather. Scores compare months for this destination only and are indicative. A mitigated month may still suit many divers.

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