Answer
In Pattaya, you can book a variety of boat experiences, such as cruises, fishing trips, and island excursions through several methods:
1. Local Travel Agencies: Many agencies offer packages including transportation and meals for day trips to Koh Larn and other nearby islands. It's best to find agencies in tourist areas or ask your hotel's concierge for recommendations.
2. Online Platforms: Websites like [Klook](https://www.klook.com) and [GetYourGuide](https://www.getyourguide.com) provide listings of various boat tours, allowing you to book in advance.
3. Pattaya Sea Adventure: This company offers services ranging from speedboat rentals to snorkeling and day trips. More information can be found on their website: [Pattaya Sea Adventure](https://www.pattayaseaadventure.com/).
4. Thailand Yacht Charter: For a luxurious experience, you can charter yachts or boats with included services. Visit [Thailand Yacht Charter](https://www.thailandyachtcharter.com/) for options.
5. Koh Larn Boat Services: Regular ferry and speedboat services to Koh Larn operate from Bali Hai Pier, so check the schedule in advance.