Ultra-LuxuryCountryside
Grindavík, Iceland
60 rooms
Opened 2018
Basalt Architects / Design Group Italia
Grindavík, Iceland
Spa & Wellness
The Retreat at Blue Lagoon Iceland Spa & Wellness
The Retreat Spa is carved deep into the 800-year-old volcanic rock. Facilities include private subterranean steam caves, a lava spring, cold plunge well, in-water floatation massage pools, and the signature Blue Lagoon Ritual utilizing silica, algae, and geothermal minerals.
8:00am – 9:00pm daily
Facilities
- Private Retreat Lagoon reserved exclusively for retreat guests
- Subterranean lava steam caves, fire lounge, and cold plunge well
- The Blue Lagoon Ritual chambers (silica, algae, and mineral scrubs)
- Subterranean wine cave carved into the volcanic bedrock
Signature Treatment
The Blue Lagoon Silica, Algae, and Mineral Scrub and In-Water Geothermal Massage.
The Retreat at Blue Lagoon Iceland spa FAQ
- What is the Blue Lagoon Ritual?
- It is a signature three-step treatment using natural silica scrub, restorative algae mask, and mineral oil.
- What is an in-water massage?
- It is a deeply relaxing treatment performed while floating on a mat in the warm geothermal mineral lagoon.
- What signature treatment is featured?
- The signature ritual is the Blue Lagoon Silica, Algae, and Mineral Scrub with In-Water Massage.
- What are the spa operating hours?
- The Retreat Spa and private lagoons are open daily from 8:00am to 9:00pm.
Reviewed by Hotel Flock · Last updated September 2026