Dover Coastguard reported two divers in difficulty in the Channel, near Eastbourne on Saturday (14 June).
The two men were airlifted by Coastguard helicopter to the Eastbourne District General Hospital where sadly they were pronounced dead.
The men, in their 40s and from outside Sussex, had been with a group of divers.
DCI Mark Ling said:
“Tragically two divers have died after getting into difficulty while diving in the Channel. We are informing their families and will be conducting an investigation into the circumstances.”