The transfer is based on public transport and is not private unless you booked a private transfer from Suriname to Guyana or Guyana to Suriname.
Traveling from Suriname to Guyana can also be done overland with private or public bus.
Your departure time will be 5am from your stay ( you will be picked up) and depart to the ferry terminal. You have to be at the ferry terminal at 9 am.
Here you will buy your own one way (USD 15,-) or return ticket (USD 20,-) using your passport and Antigen test as well your Covid vaccination card.
The ferry departs at 10 am to Guyana and you will arrive Guyana after 20 minutes.
Keep in mind, Guyana is 1 hour earlier than Suriname.
From the terminal after border formalities you will be transferred to your stay in Guyana, Georgetown.
Driving time Paramaribo, Suriname to South Drain ferry terminal is 3,5 hours
Ferry river crossing is 20 minutes
Driving time Morleson Creek ferry terminal to Georgetown, Guyana is 3 hours
The same time and driving and procedures when coming overland from Guyana to Suriname will apply.