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I'd love to travel to a place that has a good cave-swimming adventure.* I'd like it to be:

  • Safe
  • Warm
  • Fun
  • Suitable for an amateur
  • Good for photography is a bonus
  • I'd love it if it's a cave that's connected to the ocean.
  • Anywhere in the world is fine, as long as it is generally accessible to a normal tourist (no intense mountaineering training needed, etc.)

What are my options?

* My sister mentioned a friend took her to such a place in Hawaii, but even knowing that I have no idea how I'd find the specifics.

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Just noticed this question got down-voted - I'd love to know how I can improve this question. – NickC Jun 21 '11 at 21:12
You could help by mentioning what part of the world you live in or have the budget to go to. – Ankur Banerjee Jun 23 '11 at 6:55
@Ankur - the question is not necessarily just to help me, so I think that's pretty open. I've added info to the question. – NickC Jun 23 '11 at 14:00
up vote 17 down vote accepted

"The Grotto" on the Bruce Peninsula (Georgian Bay, Ontario, Canada) could be a good choice. The water's always cold (though it can be plenty hot outside), but if you take appropriate precautions it should otherwise match your criteria. It's pretty cool:


You can actually swim through the hole in the bottom out into the bay. There are a lot of cool cliffs and trails in the area, it definitely makes for a good vacation. If you're interested in more caves and more complex caves, this might not be the place, although there are a few other bayside caves I've seen in the area and definitely more away from the water.

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beautiful.. though it's creepy :) – Phelios Jun 25 '11 at 2:05

If you are after very safe and fun, if a bit touristy, there are several destinations around Cancun, Mexico (these are known as "cenote"). See

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The Blue Grotto on the island of Capri, Italy, seems to fit all your criteria:

enter image description here

However, it is very famous, popular and therefore overrun with tourists:

enter image description here

Capri is very beautiful and well worth visiting. There is also a Green Grotto on the other side of the island, which is less overrun (possibly because it's not really a fully enclosed cave).

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