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Salt-marsh foraminifera are routinely used as sea-level indicators since their vertical distribution is closely linked with elevation relative to the tidal frame. The precise nature of these relationships is variable in time and space, and the accuracy of sea-level reconstructions depends upon the selection of appropriate modern analogues that reliably reflect past fauna–environment associations. The marshes of Connecticut, USA, are sites of ongoing research seeking to produce high-resolution records of sea-level change, yet, little published data regarding their modern foraminiferal distributions exist. This paper presents new surface foraminiferal data from three Connecticut salt-marshes and evaluates their suitability as modern analogues for past sea-level changes. The results indicate that significant intra- and inter-site variability between these marshes and those of neighbouring states exists. As a consequence of this …