Towards the end of the 20th Century, the Ministry of Interior and the Ministry of Corrections developed a new project to build a new central prison for Samut Prakan to solve the problem of overcrowding. The were also aware that the opening of the new international airport would see an increase of foreign prisoners. The cabinet agreed to a budget of 647,952,182.48 baht. The land was purchased for 147,462,500 baht and 500,489,682.48 baht was left for construction. However, an extra 12,060,797 baht was needed for a building for women prisoners. The new total now being 660,020,979.48 baht.
The new prison covered an area of 58 acres or 235,200 square metres. The area inside the prison walls is 18 acres or 73,600 square metres. Work on the new prison started in 1997 and was finished in 2001. The first group of prisoners was transferred here on Sunday 27th May 2001. The new prison is in Klong Dan District about 35 kms from the city center and the old prison. Samut Prakan Central Prison is regarded as one of the most modern prisons in the country.
Address: 333, Sukhumvit Road, Tambol Klongdaan, Amphoe Bangboi, Samutprakan Province, 10550
เรือนจำกลางสมุทรปราการ เลขที่ 333 ถนนสุขุมวิท ตำบลคลองด่าน อำเภอบางบ่อ จังหวัดสมุทรปราการ 10550 โทรศัพท์: 02-3137146, โทรสาร: 02-3137145