Secret Lagoon Geothermal Hot Pool | Golden Circle: Platinum tour | Hidden Iceland | Photo by Lucas Peters Posted on June 15, 2018January 11, 2021 FAMILY TRAVEL IN ICELAND – TOP 5 TIPS 1000 × 668 Swimming in the Secret Lagoon by Lucas Peters Secret Lagoon Geothermal Hot Pool | Golden Circle: Platinum tour | Hidden Iceland | Photo by Lucas Peters