1. Phi Phi Islands, also known as Koh Phi Phi, is a group of six islands located off the coast of Phuket in Thailand. The islands have been a popular tourist destination for their stunning white sand beaches, clear blue waters, and breathtaking scenery. Interestingly, Phi Phi Islands became known worldwide after being featured in the movie \"The Beach\" starring Leonardo DiCaprio. The islands are also home to a variety of marine life, including colorful coral reefs, tropical fish, and even dolphins and sharks.

2. The islands do not have official working hours, as they are open to visitors all day, every day. Individuals can visit the islands by booking a tour or arranging transportation via ferry or speedboat. Phone numbers available for tour bookings can vary depending on the company, so it is recommended to research and book ahead of time.

3. Tickets for transportation to Phi Phi Islands can vary depending on the mode of transportation and the company providing the service. The most common way to get to Phi Phi Islands is by ferry, with costs ranging from ฿300-฿450 (approximately $8-$12 USD) one way. Speedboat services are also available, with costs ranging from ฿1,200-฿1,800 (approximately $36-$54 USD) one way. It is recommended to book tickets in advance, especially during peak tourist season.