LANCER 28 shallow draft, narrow beem

long, narow, and shallow.
a very good trailerable sailboat.
now comes the sailing part. I live on a Island in the North Pacific.
I would like to take it out and about.
any suggestions?
its a shallow draft. so I would like to add some keel length, and weight.

Why change things? She does not appear to be overcanvassed. Adding weight will slow her down. Messing with the keel may give her quirks under sail that it might be better to avoid. It would also make selling the boat more difficult. If you want to take her out, take her out. The best boat to go sailing in is the one you have.