Trees are allowed to grow through the rooms and glassless windows eliminate the need for air conditioning. With over one hundred steps on steep slopes from the roomsto the beach, there’s no need for the gym. The Anse Chastanet on the rocky Southwest coast of St Lucia is one of the pioneers of green tourism. The top suites offer amagnificient view of the two 700 meter steep rock formations rising from the sea that are part of the UNESCO world natural heritage.