India, Feb. 27 -- Once a quarantine base for immigrants and then a penal settlement, St John's Island now glimmers off the southern coast of Singapore as one of the best day trip options from the Lion City. Away from the city's hubbub, St John's Island's balmy terrain is perfect for picnickers and nature trail seekers - the vibrant marine ecosystem (best discovered on snorkelling tours) is a bonus! In this story, find a handy guide to navigating St John's Island in the Straits of Singapore.

For a complete experience, club your St John's Island visit with Singapore's famed Lazarus Island - just a 15-minute walk away.

Best time to visit St John's Island St John's Island, Singapore | Image credit: Ria Tan/Flickr The perfect time to visit ...