[1] They played a show with Astrid Pierce and one of the members, Cici Harrison, eventually joined the band a year later.

[2] In 2012, Heliotropes released various digital singles, "Moonlite", "The Dove" and their cover of Roky Erickson's "I Walked With a Zombie".

[7] Spin Magazine gave the album an 8/10, saying "bridges girl-group pop, metallic sludge, shiny psychedelia with woozy flair".

[8] Consequence of Sound gave it a 4/5, asserting that the band "show a surprisingly mature and focused control of their formula on A Constant Sea, luring you in only to eat you alive.

It sounds like a group of long-time friends playing the music that they love, and playing it very well," giving it 8.4 and Allmusic said "Those who make it through the assault of riffs and overall detached feel of much of the record will be treated to obscured gems like "Christine," a near-perfect album closer that revisits moonlit '50s balladry through a Mazzy Star lens," and conclude the record to be "a strongly inventive debut.