A day itinerary for a trip from Phnom Penh to Sihanoukville:
6:00AM 8:00 AM - Depart Phnom Penh for the 3-hour drive to Sihanoukville with private English Speaking driver, pick from hotel in Phnom Penh to SIhanoukville city by drive passes through scenic countryside on expressway.

10:00AM - Visit the Ream National Park, which is about a 30-minute drive from Sihanoukville. The visitors can hire a boat to explore the mangrove forests, spot wildlife like monkeys and birds, and drive for overview the Ream Beach (the area of Naval Base). we may spend 35-60 Minutes here and flexible depend on weather.

12:00PM visiting the Sokha Beach and Ochheuteal Beach
1:30 PM - Spend the afternoon relaxing on the beach, swimming in the ocean, Otres Beach and Serendipity Beach are two of the most popular stretches of sand.
17:00 -18:00PM - Catch the sunset over the ocean. A good spot is the Beach viewpoint.
Flexible until - Have dinner at one of the seafood restaurants in the Sihanoukville area, enjoying the fresh catch of the day.
18:40 PM - Depart Sihanoukville to return to Phnom Penh, arriving around 20:30-21:00PM.