in WOW OMG The Blue Lagoon Geothermal Spa In Iceland 625 Views The Blue Lagoon geothermal spa is one of the most visited attractions in Iceland. The spa is located in a lava field in Grindavík on the Reykjanes Peninsula, southwestern Iceland. 1.2Kshares Share Tweet RSS WhatsApp Blue LagoonIcelandSpaSwimmingLeave Your CommentsCancel reply