Flight
If flying, the easiest option is to fly into Boston's Logan International Airport. Essex is about a 45 minute drive from the city. We would recommend renting a car to make the most out of the weekend as ubers/cabs haven't fully made it to this neck of the woods (or beach).
Hotel
We have a block of rooms available here. Just tell them you're here for the Smith/Novotny wedding!
Hotel
Hotel
House Or Rental
Has tons of options nearby!