The Blue Lagoon is founded on a unique source of geothermal seawater that originates in Iceland’s extreme environment. Blue Lagoon is one of Iceland’s most unique and popular attractions. Guests enjoy bathing and relaxing in Blue Lagoon geothermal seawater, known for its positive effects on the skin. A visit to the spa promotes harmony between body, mind and spirit, and enables one to soak away the stresses of modern life. The spa guests rekindle their relationship with nature, soak up the scenic beauty and enjoy breathing the clean, fresh air.