The Arbeia Roman Fort and Museum is an impressive reconstructed fortification with a constantly changing offer of exhibitions of jewels, coins, pottery, weapons, armour, and other archaeological finds seven days a week. The fort was first discovered in the late 19th century.

Wall House Museum stands as Gustavia’s enigmatic Swedish-era relic, its thick stone walls harboring more questions than answers. Built between 1788-1790, this imposing structure’s original purpose remains debated — was it a theater, political hub, or rental property? Today, its ground floor displays a modest collection of island artifacts (fishing boats, oil lamps), while upstairs houses Gustavia’s historical library. The museum also organises several art exhibitions every year, with topics like contemporary art from Haiti and the Surrealist movement in France. Don’t miss the courtyard’s surviving brick bread oven, a quiet testament to daily life centuries ago. Though the exhibits won’t rewrite history books, the building itself offers a tangible connection to St Barts’ layered past. Pair a visit with sunset drinks at the nearby lighthouse for full time-travel effect.

Shell Beach offers St Barts' most unusual shoreline — a sun-drenched crescent where countless tiny shells crunch underfoot instead of sand. Just five minutes from Gustavia's boutiques, this "in-town" escape delivers calm waters that deepen quickly, perfect for swimmers and snorkellers (gear not provided). For a taste of yacht-spotting glamour, watch sailboats anchor offshore while local musicians strum at Shellona restaurant during golden hour. Adventurers can test their nerve diving off the nearby cliffs, while tender feet might prefer water shoes for the shell-covered shore.