Opera Patisserie makes an almond croissant filled with a house made marzipan.
A *really* good almond croissant...
9254 Scranton Rd, San Diego, CA 92121
Cardamon Bakery on 30th and Upas, 2977 Upas Street, San Diego - (619) 546-5609, has a wonderful croisant that is stuffed with a marzapan filling. It is very good.