

Best for intermediate divers, 13-30m, boat entry, mild current.
Alien Nation is a reef dive located off Saint Croix, US Virgin Islands, accessible only by boat. The site features a reef structure that descends from 13 to 30 metres, with an average depth of 20 metres. Visibility typically ranges between 15 and 30 metres, and divers encounter mild currents. Due to the depth, this site is suited for intermediate divers, and careful management of no-decompression limits is required. Water temperatures remain warm throughout the year, ranging from 27 to 30 degrees Celsius. Divers should exercise caution regarding the depth and remain alert for potential currents near the reef area.
17.70049, -64.89323
With the site reaching 30 metres, plan your dive profile before you splash and keep a close eye on your no-decompression limits, especially if you intend to spend time at depth. Check locally for current boat operator options and facility availability before your trip.
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Recorded at this site
Depth
13-30m
Visibility
15-30m
Skill Level
Intermediate
Entry
Boat
Boat required
Water Temp
27-30°C
Current
Mild
Typical Dive
50 min
Best Time
Jan, Feb, Mar, Apr, Dec
The site ranges from 13 to 30 metres, with an average depth of 20 metres.
No, this site is intended for intermediate divers due to the depth and the requirement for careful bottom time management.
Alien Nation is a boat dive; a boat is required to reach the location.
Visibility is generally 15 to 30 metres with mild currents. Water temperatures range from 27 to 30 degrees Celsius.
The site is deep, and divers should remain alert for strong currents that may occur near the reef area.
Diving at Alien Nation in Saint Croix requires the following certifications: Open Water, Advanced. Always dive within your training limits.
A rashguard or 2mm shorty is recommended for diving at Alien Nation in Saint Croix. Water temperatures range from 27°C to 30°C.
The best months to visit Alien Nation in Saint Croix are January, February, March, April, and December. Conditions outside these months can still be good but are less predictable.