A man was arrested on suspicion of manslaughter, but following an investigation, police determined that no criminal offence had been committed in relation to the incident.

[12] Dorset Police said that no physical contact was made between the swimmers and any vessel or jet-ski and those involved had not been jumping off the pier.

[13] Assistant Chief Constable Rachel Farrell thanked members of the public who helped people in trouble in the water.

[23] A man in his 40s, who Dorset police said "was on the water" at the time of the incident, was arrested on suspicion of manslaughter and later released under investigation.

[20] On 5 June 2023, an inquest at Dorset Coroner's Court was told there was a "suggestion" that a riptide may have led to the drownings.

[21] On 6 June 2023, all boat operations to and from Bournemouth Pier were suspended pending the conclusion of the police investigation.

[26] Dorset Police and Crime Commissioner David Sidwick defended the work of his force investigating the “complex” incident.

The coroner stated she was satisfied that no further measures would have prevented the deaths following an "unexpected anomaly of nature," and praised the actions of lifeguards.

[30] Tobias Ellwood, the Conservative MP for Bournemouth East, called on Dorset Police to give out more information for clarity.

[40] Council leader Millie Earl announced that restoration works for Bournemouth Pier would be completed for 2026.