tropical island, Cayo Perico, hard mode, increased difficulty, enhanced security, more guards, advanced surveillance, stealth required, higher stakes, bigger payout, challenging heist, Grand Theft Auto Online, GTA V, action-adventure game, multiplayer, detailed environment, realistic textures, dynamic weather, sunset lighting, high-risk mission, strategic gameplay, palm trees, ocean waves, sandy beaches, exotic location, 3D rendering, high-resolution textures, immersive experience.