Big question on the LaBelle sundecks is which engine they have - Lehman 120's command a premium price as they sip fuel and are relatively easy to work on. The 275 hp Lehman turbos will cost you a lot more in maintenance.
Look for rusting steel fuel tanks, not uncommon, and signs of water intrusion as this means the core in the house is compromised.
These are fine boats for the price, and well suited to Southern California waters. People have taken Jet Ski's and 16' Hobi Cats to Catalina on calm days
Let us know how you make out.