Silfra Fissure Scuba Dive Reykjavik: Between Tectonic Plates

Six Hours Between Two Continents: Diving Silfra's Four Chambers

You dive four distinct sections of Silfra Fissure between two continental plates, reaching 22 meters depth with over 100-meter visibility. The tour includes all gear, park entry, a certified dive master, and transport from Reykjavik, with hot chocolate at the end. You'll need dry suit certification (minimum 10 logged dives) and solid fitness to carry heavy equipment, plus 24 hours before flying afterward.

Step-by-step itinerary

Stops and time spent at each

1. Thingvellir National Park4h · entry included
2. Silfra Fissure1h 30m · entry included

Scuba dive Silfra fissure in Iceland

• Pickup from Reykjavík location
• Drive to Þingvellir National Park
• Explore Þingvellir National Park
• Dive Silfra Deep Crack section
• Dive Silfra Hall section
• Dive Silfra Cathedral section
• Dive Silfra Lagoon section
• Remove fins at exit platform
• Walk 300 meters to car park

The experience

You're in the car heading south from Reykjavik, and your guide is already talking you through what's coming: the narrow crack, the cathedral, the lagoon, the walk back. Þingvellir National Park sits about 45 minutes away, and by the time you arrive, the glacial water is already in your head. The Silfra Fissure isn't a reef or a wreck. It's a literal gap between the North American and Eurasian tectonic plates, and you're about to swim through it in a drysuit, 22 meters down, with visibility that stretches past 100 meters. Your PADI-certified dive master checks your dry suit certification card first (you need at least 10 logged dives in one before you get in the water here), and then walks you through the four sections you'll see: the Deep Crack where it all starts narrow and tight, the Hall where it opens up a bit, the Cathedral at the deepest point, and finally the Lagoon where the water turns that ethereal blue the photos don't quite capture.

The dive itself moves at its own pace. The Deep Crack is tight enough that you feel the rock on both sides, and your guide stays close. Then the passage widens into the Hall, and suddenly there's room to move, to look up at the ceiling, to feel the scale of the thing. The Cathedral is where most divers pause. It's the deepest section, and the light changes down there. After that, the Silfra Lagoon feels almost peaceful by comparison, even though you're still underwater in Iceland. When you surface and climb out, there's a 300-meter walk back to the car park, and your guide will help you shed the heavy gear if your legs need it. Hot chocolate and cookies wait at the end, which sounds small until you're standing there in the cold, still processing what you just did.

This tour includes your park admission, all the dive equipment (thermal undersuit, drysuit, BCD, regulator, tanks, hood, gloves, mask, fins), roundtrip pickup from Reykjavik, and a guide who knows the fissure's four sections by heart. You bring your own certification card and your suit sizes when you book. One hard rule: wait 24 hours after diving before you fly, so if you're on a tight itinerary, plan around that. And if you wear glasses, bring contacts or prescription goggles. Nothing can sit between your mask and your face underwater.

What’s included

Your day includes roundtrip pickup from your Reykjavik location, entry to Þingvellir National Park, a full set of dive gear (thermal undersuit, drysuit, BCD, regulator, weight belt, tanks, hood, gloves, mask and fins), a PADI-certified dive master guiding you through all four sections of Silfra Fissure, and hot chocolate with cookies after you surface and return to the car park.

Before you book

Days and timesEvery dayDeparts at 08:30

Book up to2h before

AgesAdult (18 and older) · Under 18: can't be booked

GroupUp to 3

Live guideEnglish

Meeting point and pickupHotel pickup included.You can choose from 23 pickup points.

Cancellation and refundsFree cancellation up to 24 h before the start. After that, no refund.It may be canceled due to bad weather. If that happens, you're offered another date or a refund.

Prices and times updated 8 days ago

Good to know

Physically demandingNot recommended during pregnancyNot recommended with heart problemsNot recommended with back problems

Operated by Arctic Adventures

Is this one for you?Book this if you hold a drysuit certification with at least 10 logged dives and want to experience one of the world's most singular dive sites without arranging your own transport, park entry, or equipment: the 6-hour structure and certified guide handle all the logistics so you show up ready to dive.

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Top questions

What happens if it rains?

It may be canceled due to bad weather. If that happens, you're offered another date or a refund. Free cancellation up to 24 h before the start.

Do I need previous diving experience to do the Silfra dive?

Yes. You must hold a PADI certification and have completed at least 10 logged dives in a drysuit. Your dive master will ask to see your certification card or logbook.

What's the visibility like in Silfra?

Visibility exceeds 100 meters. The glacial water is exceptionally clear, which is why Silfra is ranked among the world's top dive sites.

How deep do you go?

The deepest point is the Silfra Cathedral at 22 meters (72 feet) below the surface.

How long is the full tour?

The tour is 6 hours total, including pickup from Reykjavik, the drive to Þingvellir National Park, the dive itself, and the return journey.

What if I wear glasses?

You cannot wear glasses under the dive mask. The seal will break and water will flood in. Bring contact lenses or prescription goggles instead.

Is there a weight limit or fitness requirement?

You need a high level of physical fitness. The dive requires you to carry heavy equipment up to 400 meters (1,300 feet), and there's a 300-meter walk back to the car park after the dive.

Can I fly after diving?

No. It's strongly advised to wait 24 hours after diving before flying to reduce the risk of decompression sickness.

What's included in the tour price?

Park admission, all dive gear (drysuit, thermal undersuit, BCD, regulator, tanks, hood, gloves, mask, fins), a PADI-certified dive master, roundtrip transport from Reykjavik, and hot chocolate with cookies.

Who shouldn't do this dive?

The tour is not recommended for people with spinal injuries, pregnant travelers, or those with poor cardiovascular health. You'll need to complete a medical questionnaire and may need a doctor's note.

What do I need to bring?

Your dry suit certification card or logbook, your suit sizes (provided when booking), contact lenses or prescription goggles if you wear glasses, and a signed medical questionnaire if required.