Periwinkle Inn
Periwinkle Inn in Nantucket, United States. 9 N. Water Street
Periwinkle Inn in Nantucket, United States. Same price as direct booking, with a 1-tonne UN-verified CO₂ offset attached to every reservation, funded by IMPT from commission.
How IMPT pays for the carbon offset
Every booking on IMPT triggers a 1-tonne UN-verified CO₂ retirement on Ethereum, recorded against the booking ID. The offset is funded from IMPT's commission, not from the room rate — your price matches the property's standard direct rate.