East San Marco Development Jacksonville FL - Aerial View   The on-again, off-again plans for the new East San Marco urban infill development is on again. Residents of San Marco are almost universally cheering plans to build an apartment and retail development at the corner of Hendricks Avenue and Atlantic Boulevard. And it’s not just because there’s currently no grocery store within more than a mile of one of the hottest destinations for home buyers, shoppers and diners. East San Marco will include 240 apartments, 35 townhouses, 14,000 square feet of small boutique shop and the long-anticipated Publix Super Markets Inc.  It’s the “urban store” format that Publix builds in more congested areas, as opposed to the more sprawling…