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Ralph's Cave

Abaco

Ralph's Cave

Closed to divers

Not on your own: only with a permit and a guide. Off limits to divers: according to Brian Kakuk (Bahamas Caves Research Foundation) these caves are off limits to divers, and anyone who tries to dive them risks arrest (November 2026).

Source: Brian Kakuk (Bahamas Caves Research Foundation), e-mail November 2026 ↗Source: Nitrox (IANTD) nr. 10 – Bahamas caves: a great example of conservation, Luis Sánchez, aug 2026 ↗
  • CertificationFull cave
  • SpecialSidemount
Directions

Diving and fills

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Now at Ralph's Cave

Status
Closed

What it looks like

All 5 videos and posts

Videos and posts

From other divers, via YouTube, Instagram and Facebook. They only load when you click; after that, Google's or Meta's privacy rules apply.

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Other people's footage, not advice: how someone else dives here says nothing about what suits your team. Dive within your training.

The dive

Ralph's Cave is known for the 'Glass Factory': crystal pools, translucent stalagmites, soda straws and helictites ('Frozen Rain'). There is a halocline, with a blurred view where the layers mix.

In this cave: Glass Factory (Ralph's Cave)

Profile and sections

Ralph's Cave is known for the 'Glass Factory': crystal pools, translucent stalagmites, soda straws and helictites ('Frozen Rain'). There is a halocline, with a blurred view where the layers mix.

It is one of South Abaco's two large systems. According to Advanced Diver Magazine the formations are 13,000 to 350,000 years old, and a crystallised bat of ~13,000 years was found here.

Depth and profile
Depth not published · columns up to ~9 m tall
Configuration
Sidemount (open circuit or sidemount CCR); Kakuk only teaches here in sidemount.
DPV: Not DPV-suitable (estimate)
Very delicate crystal formations; no source mentions scooter use
Who can dive where
  • CaveAt least Full cave
  • Whole caveConfigurations: Sidemount / CCR / Small cylinders / no-mount (speleo sumps)
  • Whole caveExperienced divers only · doesn't decide who may dive
Experienced diversPermission neededThrough a dive centre or guide

This is how the planner decides who in your team may dive this cave. Rules your own trip adds (organizer, a mail, the AI) show with your trip.

How to get there

In the South Abaco pine forest, close to Dan's Cave.

Plan your route ↗

Around Ralph's Cave

FillsNo fill station known nearby
Caves nearby5

No provider in Abaco yet

The caves here are listed as information only: we don't know a dive centre, guide or club yet that takes visitors, so you can't plan a trip here yet. Do you know one, or are you one? Let us know.

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Sources, sharing and disclaimer

Sources

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Certification requirements, configurations and trimix depths are estimates for planning. Always check them locally and dive within your training. Compiled from web research (Bahamas Underground, InDepth 2026, Nitrox (IANTD) 2026, Scuba Diving, Advanced Diver Magazine, Blue World TV, National Geographic 2010, DAN Alert Diver, Florida Museum, Friends of the Environment, Rolling Harbour Abaco, Abaco Sun, Royal Bahamas Police Force, Get Ready Bahamas, DeeperBlue, Wikipedia; Sept 2026; reef dives: Out Islands of the Bahamas, Oct 2026). In November 2026 Brian Kakuk (Bahamas Caves Research Foundation) wrote that the caves are off limits to divers. No Abaco cave has a public entrance coordinate — pins are missing on purpose; ~ = estimate. Rules and access change — check locally.