A slice of Nantucket lands in the Seaport on Thursday, when Nautilus Pier 4 — sister restaurant to The Nautilus on Nantucket — throws open its doors. The waterfront restaurant has been in the works for a while. Nautilus was supposed to debut at 300 Pier 4 Boulevard in early 2020, but plans were pushed back by the coronavirus pandemic. “I can hardly describe how it feels to finally be opening. This day has been a long time coming,” said founding partner and sommelier Stephen Bowler in a press release. “Through the pandemic and everything the past year has thrown at us, this team has ...