Cayman Islands

Sister Islands

Sister Islands in the Cayman Islands are a popular base for diving on clear Caribbean Sea waters with many boat-accessible sites. Around West End, Stake Bay, and Cotton Tree Bay, divers commonly find sandy bottoms, rocky outcrops, and coral growth suited to recreational depths. Visibility is often best when conditions are calm, and currents can vary by site and season, so local site briefings matter. Marine life frequently includes reef fish, rays, and smaller reef creatures; depending on the day, you may also spot larger pelagics passing by. With several established dive centers and a range of reefs and shallower areas near the coast, it works well for mixed-experience groups and repeat visits.

Essential information for traveling in Cayman Islands

About Cayman Islands

Sea
Caribbean Sea and North Atlantic Ocean
Timezone
America/Cayman
Languages
EN
Demonym
Caymanian
Phone prefix
+1

Practicalities

Currency
KYD
Voltage
120, 110
Plug type
Type A, Type B
Airports
GCM CYB

Diving specifics

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

Top scuba diving cities in the region of Sister Islands

Sorted by popularity

Cities to dive in the Sister Islands region

The cities

The best times to dive in the Sister Islands region

The best months to dive in Sister Islands are from August. Temperatures are confortable (29°C), currents are mild and the visibility is at its best.

Excellent Good Fair Mitigated
01 - Jan.
26 °C 27 °C 6/10
02 - Feb.
26 °C 27 °C 6/10
03 - Mar.
26 °C 27 °C 7/10
04 - Apr.
26 °C 28 °C 6/10
05 - May
28 °C 29 °C 7/10
06 - Jun.
28 °C 30 °C 5/10
07 - Jul.
29 °C 30 °C 7/10
08 - Aug.
29 °C 31 °C 6/10
09 - Sept.
30 °C 31 °C 6/10
10 - Oct.
29 °C 31 °C 4/10
11 - Nov.
27 °C 29 °C 5/10
12 - Dec.
27 °C 28 °C 6/10

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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