Group living and social behaviour have been documented in a wide range of animals and are driven by an ongoing trade-off between the benefits and costs of associating with other individuals. Although white sharks (Carcharodon carcharias) are considered to be mostly solitary, they are known to aggregate at several sites worldwide. Exploring co-occurrence of individuals in relation to the characteristics of the aggregation sites can be a useful tool to provide insight into the ecology of white sharks and better understand the drivers underpinning these aggregations. Network analysis techniques coupled with photo-identification data was used to infer co-occurrence patterns of 97 sharks over 32-months, split into two 16-month periods. Eight dyads occurred with a greater frequency than would be expected by chance and were temporally stable. None of these dyads, however, persisted over the two periods. Although association patterns were evident at the dyadic level, we found limited support for stable communities or network structure. Quasi-Akaike’s information criterion fitted to standardised lagged association rates described the persistence of associations to be best characterised using a ‘two levels of casual acquaintances’ model. Associations primarily occurred between individuals of the same sex, and groupings of individuals, where discernible were primarily based on sex. These were linked to seasonal differences in abundance between the sexes. Nevertheless, some males associated with females in autumn and early winter. These males may contest a potential dominance hierarchy of females in this period or employ scramble competition tactics, enabling feeding during the Neptune Islands highest period of food availability. Our network analysis shows that the white shark population visiting the Neptune Islands is not gregarious, but that some individuals form associations for several days and across several months.