Everything in Boca Raton is described relative to two lines: I-95 and Florida's Turnpike. Here is the working map:
Where — East Boca: The Intracoastal to I-95, incl. the barrier island and downtown. Central Boca: I-95 to the Turnpike: the St. Andrews, Yamato and Jog corridors. West Boca: West of the Turnpike, incl. unincorporated county land with Boca mailing addresses.
Character — East Boca: Oldest, priciest per square foot; beach, marinas, Mizner Park, Brightline station. Central Boca: The country-club corridor: gated golf communities behind mature landscaping. West Boca: Newest construction, master-planned gated communities, larger lots.
Housing — East Boca: 1920s Mizner-era homes, rebuilt estates, waterfront, downtown condos. Central Boca: Club villas, estate homes, condos within club gates. West Boca: Single-family communities built from the 1990s to today.
Beach time — East Boca: Minutes. Central Boca: ~15 minutes. West Boca: 20–35 minutes.
Fits — East Boca: Boaters, beach walkers, lock-and-leave condo life. Central Boca: Club life: golf, tennis, a social calendar that runs itself. West Boca: Families wanting new construction, space and amenities.
One nuance that confuses almost everyone: much of "West Boca" is not in the City of Boca Raton at all. It is unincorporated Palm Beach County with a Boca Raton mailing address — different taxing authorities, different services, sometimes different school zones than a city address with the same ZIP code. It is a distinction with a dollar sign on it, and it is why the deep-dive matters: East Boca vs. West Boca: Which Side of the City Fits Your Life? — https://reedkellough.com/east-boca-vs-west-boca/