Yes, as long as you or your spouse had at least one day of minimum essential coverage at least one day during the 60 days prior to your marriage. After selecting a plan, you must also submit documentation verifying your marriage to be able to enroll. Also, if either of you have current marketplace coverage, your plan selection is limited to adding a spouse to the current marketplace plan or enrolling the new spouse in a separate plan. The current marketplace enrollee cannot use the special enrollment to change plans. (45 C.F.R. § 155.420; 82 Fed. Reg. 18346, April 18, 2017).