Geothermal Lake Grimsvotn Subglacial Volcanic Caldera Chalet STR 2026

Underwrite luxury engineered subterranean subglacial glass-domed geothermal chalets positioned near the active subglacial caldera lake of Grimsvotn beneath Vatnajokull ice cap, $1,680/night ADR, and annual net cash flows.

Underwriting Assumptions

Average Daily Rate (ADR $)

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Turnkey Subglacial Caldera Chalet Capex ($)

Subglacial Geothermal HVAC Maintenance ($/yr)

Projected Economics

Gross Annual STR Revenue

Net Annual Operating Cash Flow

Unlevered Cash-on-Cost Cap Rate