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Grotte Marie-Jeanne

The Caribbean's underground cathedral - kilometres of galleried chambers under Port-a-Piment, toured by lamplight with local guides.

Updated 14 September 2026

Typecave
WhereSud
Nearest cityPort-a-Piment
Best seasonDecember to April
Time to allowHalf a day
Getting therePort-a-Piment on the far southwest coast; guided visits only
EntryGuided tour fee

Beneath the hills of Port-a-Piment, Marie-Jeanne opens one of the Caribbean's largest cave systems: kilometres of mapped galleries on multiple levels, chambers vaulted like naves and hung with columns, draperies and stalagmite forests that lamplight turns theatrical. Named for a heroine of independence-era lore, the cave has sheltered and stored for generations of locals; today a community guiding operation runs the visits - helmets, lamps and a route adjusted to visitors' appetite from easy galleries to crawl-and-scramble depths. It is the natural anchor of the far southwest, pairing with the coast's beaches for the region's best two-day loop.

What you'll find

  • The great galleries - vaulted chambers on stacked levels.
  • The formations - columns, draperies and stalagmite forests by lamplight.
  • The deeper route - scramble sections for the game.
  • The southwest coast - Port-a-Piment's shore outside the dark.

When to go

December to April keeps the approach roads kind and the cave's humidity merely tropical; tours run to arrangement with the local guides - mornings are coolest for the walk up.

What to expect

The far southwest runs on local arrangements and patience. Underground: surfaces are wet, lighting is your lamp, and the deeper sections ask real agility - say honestly what you want. Fees support the community operation that keeps the cave open.

Nearby

Port-Salut's beach, Les Cayes and the Macaya mountains inland.

Key facts

Length15 km (9.3 mi)
Location18.2532° N, 74.0946° W · map

Source: Wikidata, item Q65323318, read on 18 October 2026.

What to pack for Grotte Marie-Jeanne

Chosen from what this place is for. Tap a kit for the full checklist.

  • Reef-safe sunscreen - High SPF that will not bleach the coral you are swimming over. Find on Amazon
  • Head torch + spare batteries - Hands-free light is essential; caves are truly dark. Find on Amazon
  • Strong insect repellent - DEET or picaridin; the jungle is where bites and disease risk are highest. Find on Amazon
  • Modest clothing - Shoulders and knees covered - the single most common requirement. Find on Amazon

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Opening times, ticket prices and seasonal closures change - check the official source before you go: official site.

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