San Marco 2024-12-19 Roadnow click anywhere on map to find more poi nearby Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to San Marco Central Islip, NY 2.89 mi Smithtown, NY 4.98 mi Brentwood, NY 5.37 miInterstate highway exits close to San Marco Exit 57, i495ny 0.57 mi Exit 56, i495ny 2.13 mi Exit 58, i495ny 2.68 miInterstate highways close to San Marco i495ny map 0.57 mi i95 map 36.66 mi i287ny map 44.91 miState roads close to San Marco NY 454 map 0.32 mi NY 111 map 1.88 mi NY 347 map 2.19 mi