Travis Coates is a fictional character from the novel "The Infinite Sea" by Rick Yancey. He is portrayed as a young man who faces the challenges of a post-apocalyptic world filled with alien threats. His character is known for his bravery and determination to protect his friends and loved ones. In the story, Travis navigates complex relationships and moral dilemmas while trying to survive. His journey reflects themes of loyalty, sacrifice, and the struggle for humanity in dire circumstances. The character's development is central to the narrative, showcasing his growth amidst adversity.