📜 Geothermal spa in Grindavík, Iceland, formed from the runoff of a power plant. Named one of 25 wonders of the world by National Geographic in 2012. 🔍 Water rich in silica, algae, and minerals, known for healing skin conditions. # Why Go ♨️ Experience unique mineral-rich geothermal seawater with healing properties 🧖‍♀️ Indulge in a luxurious subterranean spa, offering saunas, steam rooms, mask bar, and in-water treatments 🍽️ Enjoy gourmet dining, including Michelin-starred cuisine, with multiple dining options 🏨 Stay in sophisticated accommodations 🌌 Explore an otherworldly landscape of lava fields and ethereal steam mist # Why Avoid ⚠️ High demand, pre-booking essential, tickets sell out quickly 💰 Can be expensive, with various admission tiers and additional treatments # Tips 🗓️ Book tickets at least one week in advance. 🚿 Shower before entering the lagoon. 👶 Children under 8 require armbands or a swimming ring. # Cost 💰 Entrance from EUR 78 (Comfort), EUR 98 (Premium), EUR 122 (Signature). Retreat Spa from EUR 539, in-water treatments from EUR 40. # Hours 🕒 Daily, hours vary by season: Summer (June-Aug) 07:00–00:00, Winter (Aug-Jan) 08:00–22:00, Spring (Feb-May) 08:00–20:00. Specific facility hours: Blue Lagoon & Blue Café daily (07:00-00:00 summer, 08:00-22:00 winter). Retreat Spa daily 08:00-20:00. Lava Restaurant daily 11:30-21:00. Moss Restaurant Wed-Sun from 18:00. Spa Restaurant daily 08:00-20:00. # Additional Info 🌡️ Water temperature averages 37-40°C (98-104°F). 📏 Water depth is less than 1.3 meters (4.2 ft). ℹ️ Lagoon is 8,700 sq meters. 🧖‍♀️ Features include: sauna, steam room, mask bar, massage waterfall, and in-water bar.