This applies to my 26 Dec 2023 Diamond Princess New Year cruise. This could change depending on the size of your size and the cruise company's arrangements, so check with them as well. Hoped the port addresses are helpful to your planning as well. If you have been to other ports in Thailand & Vietnam, feel free to add to this list. Cheers
Da Nang/Hue (Chan May),Vietnam
Chan May Port
Loc Vinh Commune, Pho Loc District, Thua Thien Hue Province, Vietnam
Ho Chi Minh City (Phu My), Vietnam
Interflour port
Phuoc Hoa Commune, Tan Thanh District, Baria - Vungtau Province
Bangkok (Laem Chabang), Thailand
Laem Chabang Cruise Center, Berth A1
288 Moo 3, Laem Chabang Port Road, Tambon Thung - Sukla, Sriracha District, Chonburi Province 20230, Thailand
Ko Samui, Thailand ( WATER SHUTTLE REQUIRED )
Nathon Pier via the ship's tenders
Moo 3, Angthong, Amphur, Koh Samui, 84140, Thailand