The New England Aquarium is offering Buy-One-Get-One-Free admission to First Night 2015 button holders on December 31, 2014 and January 1, 2015. This offer is good for one free Aquarium admission with the purchase of another admission of equal or greater value. Not valid with any other discounts and not valid on IMAX Theatre tickets. Limit one offer per customer/button. Offer expires at 6:00 p.m. on 1/1/15. Aquarium hours on December 31, 2014 are from 9:00 a.m. to 6:00 p.m. and on January 1, 2015 from 12:00 p.m. to 6:00 p.m.