The Chanthaburi City Pillar and the Taksin Maharat Shrine are locatad on Tha Luang Road in front of the Taksin Military Barracks within town limits. Opposite stands an old building erected during the reign of King Rama VI which was formerly the town hall.

Situated on a hill covering an area of some 1,320 acres, Wat Khao Sukim was built in 1966 by devout Buddhists who had faith in Phra Achan Somchai Thitawiriyo. The objective of the temple is to be used as a meditation venue. The expansive temple compound offers a peaceful haven surrounded by shady orchards. The temple also houses a large collection of religious items and valuable antiques donated by the public.

The Catholic Church on Chanthanimit Road on the river bank is the largest Catholic edifice in Thailand. Built in 1909, it is of Gothic architectural style. The original tall roof was taken down during World War II to make it less conspicuous as a possible target.

Going across the Chanthaburi River from Si Chan Road and taking a left turn 1 kilometre from the bridge, 800 meters off the main road is Wat Phai Lom. The Rama III-era Ubosot features wall murals on all four sides portraying the story of Lord Buddha with Chinese floral designs as well as illustrations of foreigners with must have been commissioned after the time of his reign. There is also a ubosot of western architectural influence attesting to Chanthaburis artistic and cultural contact with the western world.

Located in the public park near the town hall on Liap Noen Road, is the Taksin Maharat Memorial. The equestrian statue is guarded by statues of his four royal guards. The expression on the kings face clearly shows the resoluteness and determination to carry out the task of restoring the national independence. The large pond in the park serves as a popular recreation area and is stocked with a large variety of fish.

The notorious Khuk Khi Kai, just before Laem Sing beach, was built to hold Thais who were against the French occupation of Chanthaburi in 1893. A 7-metre high, square-shaped prison, it was built in bricks with each side measuring 4.40 metres. The walls were holed for ventilation. The porous roof is said to have been used as chicken coop through which the birds dropped their excrements.

Tuk Daeng or Red Building near Khuk Khi Kai is the site of the Phikhat Patchamit Fort built in the reign of King Rama III. It was subsequently turned into living quarters and military command post by the French. A single storey, red-tiled roof building, today it serves as the Laem Sing district public library.