Silfra was an absolutely unforgettable experience. Floating between two tectonic plates in crystal-clear water felt unreal — the visibility was incredible, like flying through glass. The water is freezing, but the dry suit kept me warm and comfortable. The guides were professional, calm, and very safety-focused, which made the experience stress-free.
This is truly a once-in-a-lifetime activity in Iceland and 100% worth it.