Silfra Lagoon

The shallow exit basin at the end of the route. Roughly 120m wide, shallow bottom, and the most light of any section — which is why the green algae reads strongest here.

Depth

1–7m

Current

Mild

Diver level

Open water

Entry

Boat

Unique features

  • Shallow exit area roughly 120m across, often visible bank to bank
  • Best light of the route and where 'troll hair' algae is most obvious

Sources & last checked

Checked July 2026

This is a researched draft, not yet human-verified. The seasonality and logistics are drawn from the sources below — confirm specifics (permits, fees, closures) with an operator before you book.

Note on the data: Coordinates are approximate; not surveyed dive-site GPS.