Roaming lanzarote

Is it free to Roaming there and is it a good idea to get a Roaming package

Lanzarote is part of spain so its roam at home destinations. Can use up to 30gb of data while away.
See below

https://www.lebara.co.uk/en/roaming/roaming-rate-finder-results.html?country=Spain&srsltid=AfmBOooyavIaZVh699q4zpC6HiEBNTdFoOQZsXBbFpKelVZ7ecltSlY0

As pointed out by Superuser25 it will very much depend on your roaming destination Kentpmizon. Check out the roaming rates finder linked above and please do let us know if you have any questions.