Arrive in Bangkok and check into a budget-friendly villa or boutique guesthouse known for comfort and vibe in Sukhumvit area, close to nightlife and vegan restaurants.
Take a speedboat trip (8am-5pm) exploring crystal-clear waters, snorkeling, and scenic beaches; pack vegan snacks or eat at the island's vegan eateries.
Experience the world famous Full Moon Party (check full moon dates to coincide; if unavailable, join a Half Moon or Jungle Experience party) with psychedelic music and a lively crowd.