'lots of good memories' is correct and usable in written English. You can use it when describing fond memories of people, places, or experiences. For example, "We had lots of good memories during our time in Tokyo.".
"See everybody," she recalled, "so lots of good memories there".
Now, I can see my life again … lots of good memories … the book triggers and stimulates my memory … nice to have one (the book) Nell's son also said that he really enjoyed all the process of developing the life story book for his mother as a gift.
Take your toy with you wherever you go so they have lots of good memories.
"Say: 'When Mommy was young, she have lots of good memory.' See, when I was in junior high, I was number one to graduate from junior high.
We shared a lot of good memories.
"I have a lot of good memories with Kim.
"I have a lot of good memories," he said.
Ludwig does not simply clarify my doubts with English writing, it enlightens my writing with new possibilities
Simone Ivan Conte
Software Engineer at Adobe, UK