Devil's Den

Best time to dive

January to December

What you might see

• Mola mola (oceanic sunfish)Likely

Sightings are seasonal probabilities, not promises - even in peak season nature does its own thing.

Certification & difficulty

Technical - advanced conditions (currents/depth); dive within your training.

Snorkelling

Snorkel-friendly - Yes - snorkeling permitted with reservation, no certification required

Safety notes

Narrow, cramped staircase entry; low light/dark zones below the surface; no-penetration rule into side passages must be respected; general cavern-overhead awareness even though it's an open basin

Permits & fees

No government permit; private site admission/dive fee - per operator site, diving is $25/diver (Oct 1-Feb 29) or $35/diver (Mar 1-Sep 30), with a $250/$350 group minimum; other sources cite ~$38 walk-in diver fee plus optional gear rental (~$51-52); snorkeling ~$18-25 plus rental; fees change seasonally, verify current rate with the operator

Permits and operators change - confirm before booking.

Location

Nearest hub: Williston