[4][5] The 2016 festival, themed "In Praise of Shadows" (named after an essay by Junichiro Tanizaki), takes place from 4 to 27 March.

[6] The 'i' in the name is said to allude to the festival's innovative content, the intelligent use of lighting as well as its international line-up of creative talent.

Curated along the theme People, Place and Time, the festival was intended to serve as the regional platform for the exchange of ideas and technology, artistic expression and public engagement through light art works with intelligent light usage and sustainable use of energy.

The artworks were arranged in a line around the Marina Bay waterfront promenade to form a Light Walk.

[15] This campaign called for participating properties to make a conscious effort to switch off all non-essential indoor/outdoor lighting and office equipment and turn up air-conditioning temperatures to 24 to 25 °C.

Installations featured new, emerging and well-known light art artists from countries across Asia including China, Philippines, Japan and Singapore.

[29] In festival again featured the Switch Off, Turn Up Campaign, extending its reach beyond the Marina Bay precinct, with buildings across the island pledging their support.

i Light Marina Bay 2014 attracted a total of 685,000 local and international visitors over the course of the three-week period.

The fourth edition of i Light Marina Bay, held from 4 to 27 March 2016, featured 25 installations.

The 2016 theme, "In Praise of Shadows", challenged the obsession that brighter is better and sought to reframe perceptions of light and sustainability.