Since you're arriving in the afternoon, use the morning for travel preparations and a relaxed start: confirm transport from the airport to your hotel in Christ Church, check any baggage or travel documents, and pick up local cash or a SIM card if you need one. If you have extra time before departure, grab a leisurely continental breakfast at a nearby café or revisit packing lists and reservations so your arrival goes smoothly.
Arrive at Grantley Adams International and head straight to the South Coast — settle into your beachfront hotel or guesthouse and drop bags before walking to Browne's Beach (Dover Beach) for sun, swimming, and a rum punch at a beachfront bar. Later, stroll the lively St. Lawrence Gap for shops and rum shops, or take a quick half-day catamaran or glass-bottom-boat trip from the coast to snorkel around Carlisle Bay and see shipwrecks if time allows (many tours run in the late afternoon).
As the sky softens, enjoy dinner at one of St. Lawrence Gap's restaurants such as The Tides or Lone Star, sampling flying fish, cou-cou, or fresh grilled mahi-mahi while listening to live music. Finish with a moonlit walk on the sand at Dover Beach or pop into a local rum shop for an after-dinner Bajan cocktail — an easy, relaxed first night that sets a leisurely tone for the rest of your visit.