Dive The Hole in the Wall after dark and watch reefs glow under UV light. This 1‑tank guided fluorescent night dive reveals coral recruits and nocturnal life in vivid color—perfect for certified divers ready for a different kind of night underwater.
More ways to explore the area's outdoor wonders
The surf hushes as the sun drops behind Aruba’s lee side and you kit up on a black sand shore. A blue beam cuts the dark as your group slips under; what looked like an ordinary reef by day flares into neon—coral polyps, sponges and tiny recruits lighting up like constellations under ultraviolet. The visor over your mask filters the blue, letting fluorescent pigments pop in shocking greens, pinks and oranges — the reef offers a private light show that even experienced divers call otherworldly.
Difficulty
moderate
Duration
2 hours (including briefing)
Fitness Level
Moderate fitness — comfortable swimming skills and ability to manage gear are required
Wildlife
History
Aruba’s reefs formed on carbonate platforms with human settlement dating back centuries; modern dive tourism grew in the late 20th century alongside conservation efforts.
Conservation
Local operators emphasize no‑touch policies and use fluorescence as a monitoring tool to spot coral recruits; divers are asked to avoid stirring sediment and respect marine protected areas.
Reserve your spot on the Aruba 1-Tank guided UV Night Dive for certified divers with rental equipment today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Check your certification and logbook
This tour requires current open water certification — bring your card or digital proof and note dive experience to the guide.
Avoid flying within 24 hours
Nitrogen off‑gassing rules prohibit air travel for at least 24 hours after diving — schedule flights accordingly.
Bring a thin hood or hooded vest
Night water can be cooler; a thin neoprene hood keeps you comfortable without bulk that impedes mobility.
Protect your camera and use proper settings
If shooting fluorescence, use external blue lights and a yellow filter/visor and avoid strobes that wash out fluorescent colors.
Primary dive light (blue‑wavelength)
Blue LED light tuned for fluorescence brings out pigment without disturbing animals.
Yellow visor/filter
Attaches to mask to filter reflected blue and allow fluorescent colors to register to your eye.
Thin wetsuit (3mm) or shorty
Keeps you warm during cooler night hours while preserving mobility.
Dive computer with logbook
Tracks depth and bottom time for safe ascent profiles and post‑dive records.