Lots of roads are still blocked by the landslides, mudslides and rockfalls caused by the floods.
Help for survivors
Troops from Haiti have been helping with relief work, and foreign peacekeeping troops have been using helicopters to take water and food to the survivors.
The damage has been estimated at many millions of dollars and the European Union is getting ready to send an emergency package worth two million euros (£1.3m).
The Dominican Republic is a popular holiday destination with British tourists.