The Retreat at Blue Lagoon Iceland

A lava-field hotel inside Blue Lagoon, with its own private lagoon

⚠ Can close during eruptions

Hours: Check-in 15:00 / check-out 11:00
Per night (approx.): 약 211,000~275,000 ISK
Address: Norðurljósavegur 11, 240 Grindavík (inside the Blue Lagoon complex)

Low concrete buildings sunk into a moss-covered lava field, with milky-blue water right outside the windows. It's not a city hotel: people use it for the first or last night near the airport. Seriously expensive, and it knows it.