That is such an amazing idea! Love the sense of adventure and experiencing the unknown that comes with it.
There are still Tourism Offices around the island, although things look a bit different today because of travel restrictions and current guidelines. As things are opening back up in a limited capacity with restrictions in place it is best to book in advance with flexible cancellation policies where possible in case there are any sudden changes.
You can keep up to date on the situation on the travellers health page