Fly from Jakarta Soekarno-Hatta International Airport to Lombok International Airport.
Grab a taxi or hitch a ride and get to Bangsal Harbor, it takes 2 hours to arrive.
Take a public boat (40 minutes) or fast boat (7 minutes) to get to Gili Trawangan.
Grab a bicycle, or cidomo, or walk to Santorini Beach resort which is around 2 kilometres from Gili Trawangan Port.