Yes. It is your responsibility to ensure that you have adequate cover. It is a condition of booking that you have insurance against such risks as medical costs, personal accident, risks, personal liability and legal expenses. You are especially advised to insure against cancellation and loss of deposit. You need to make sure that your policy has an endorsement for scuba diving. Hyberbaric treatment can be very very expensive. We offer an insurance which is very comprehensive towards travel and diving. Please follow this link for more details.