2. Hawaii Island Retreat, Hawaii, HI
This island retreat is located in one of the top vacation destinations in the United States, yet it is also one of the most eco-friendly hotels you can choose to stay at. The retreat uses wind and solar energy for power and much of its 50 acres is used to produce organic fruit and vegetables for the on-site restaurant. Composting and recycling are also a part of the resort.
The resort features a green spa, with a full line of organic spa products made from plants grown on the resort. Everything in the resort, from shampoo to soap is organic. Guests are even provided with reusable water bottles to preserve the environment upon check in.