An attraction on Culver Parade has closed because of a number of COVID cases among staff.
Dinosaur Isle will remain closed until Monday.
The council-run site has apologised to Islanders.
Dinosaur Isle posted on Facebook saying:
"Important update. We regret that due to positive Covid tests and isolation among several of our staff the museum will remain closed until Monday, October 25, at 10am.
"The fossil walks today, Wednesday and Thursday will go ahead as planned but no further bookings will be taken for them.
"The safety of our visitors and staff is very important to us. We apologise for the inconvenience."