Of his novels, and maybe overall, Huxley is most known for Brave New World, a dystopian vision of a society shackled by implicit, self-perpetuated chains.
Island is the opposite: his quasi-utopian vision. He imagines what a sane society would be like - how it would live, self-govern, gather and exchange resources, etc.
“Darwinism was the old neolithic Wisdom turned into scientific concepts. The new conscious Wisdom - the kind of Wisdom that was prophetically glimpsed in Zen and Taoism and Tantra - is biological theory realized in living practice, is Darwinism raised to the level of compassion and spiritual insight.”