On 15 August 2014, the Land Transport Authority (LTA) announced that Marine Parade station would be part of the proposed Thomson–East Coast line (TEL).

[4][5] The works included the construction of a drainage system spanning 800 metres (870 yd) and 1.936 km (1.203 mi) of bored tunnels.

[15][16] The Reasons to Move Lite Gallery Exhibition and Friends of Land Transport Booth were set up at this station during the open house.

[25] Inspired by the area's history as a former seafront, the station's green panelled interior resembles the trees of the beach and waves of the sea, with the star-shaped ceiling lighting reminiscent of sunlight filtering through the foliage.

[26][27] WALK by Ang Sookoon is displayed at this station as part of the Art-in-Transit programme, a showcase of public artworks on the MRT network.

[26] The work retains the marks left from its packaging and the artist's touch, bringing up childhood memories of crafting plasticine sculptures.

It also showcases "the rich tapestry of the Katong/Joo Chiat community", which is composed of Chinese, Malay, Peranakan, Indian, and Eurasian influences.