Arrive BKK 05:55; expect ~1–1.5h for immigration and luggage. Prebook a hotel transfer or take a metered taxi/Grab to your hotel in Siam/Sukhumvit and drop bags; rest a little after the flight.
Kid-friendly waffles and milkshakes at After You or many quick options at Siam Paragon food court; convenient and quick to refuel after check-in. (After You typically opens ~09:00).
Large indoor aquarium perfect for a 7‑year‑old — see sharks, rays, penguins and scheduled feedings; comfortable AC activity after travel. (Open ~10:00–20:00).
Take BTS to Saphan Taksin and hop on the Chao Phraya Express or ICONSIAM shuttle boat for a pleasant river ride and evening riverside atmosphere (boats operate into the evening).
Family‑oriented tiger interaction/photograph spot — follow all safety instructions and book timeslots in advance if available. Typical hours ~08:30–17:30.
Choose Nong Nooch for large gardens and cultural shows (open ~08:00–18:00) or Mini Siam for miniature landmarks; both are good alternatives if you want greenery/culture instead of more beach time.
Thailand's most famous temple complex and home of the Emerald Buddha; culturally essential — arrive early. Opens ~08:30–15:30; dress modestly (shoulders/knees covered).
Jim Thompson House is a compact museum about Thai silk (good for a short cultural visit). Alternatively, Terminal 21 is a fun themed mall with easy facilities for families.