Barashet and Yaarot HaCarmel are the top two. They are both a distance away from Gush Dan. Yaarot HaCarmel also runs the spa at the Royal Beach Hotel in Tel Aviv....See More
Lee R. replied:
http://www.hspa.co.il/
Sol H. replied:
ספא שבע Sheva Spa
Inbal B. replied:
http://www.isrotelexclusivecollection.co.il/royal_beach.../ b. By far the best.