November sits at the front of Cox's Bāzār's dry season. Rain has largely stopped, humidity drops and the sea flattens enough for the beach to be genuinely walkable in the late afternoon. Daytime temperatures usually settle in the high twenties Celsius, which makes the roughly 90-kilometre run south along the Marine Drive to Teknaf far more comfortable than the same drive in April or May. Peak domestic traffic tends to build closer to mid-December, so the first half of the month is the calmer bet for the road and for hotel availability in town.
The Marine Drive route itself is the reason to do this as a day rather than a dash. The road hugs the coast past Himchari and Inani, where the hills fall straight to the sand, and the whole drive takes around two and a half to three hours each way with stops. Leave Cox's Bāzār by 7am. You will reach Teknaf before the midday heat, have time for the Naf riverfront and Shapuree Island views, and be back at your hotel in Cox's Bāzār for dinner on the beach road at Kolatoli. Booking accommodation in Cox's Bāzār rather than Teknaf keeps the evenings far more pleasant — Teknaf's hotel stock is basic and the town itself has little to offer after dark.
Teknaf town sits on the Naf River, and the waterfront is the main reason people come. The bank opposite is Myanmar, and small wooden boats work the channel all day. The road up to the Teknaf Municipal area gives you a clear view south. Shapuree Island lies offshore and can be reached by local boat, though crossing times depend on tides and the sea state; ask at the jetty in the morning rather than committing in advance. Do not expect resort infrastructure. This is a working border town with tea stalls, a few simple restaurants and a lot of traffic on the single main road.
The practicalities are worth knowing before you set out. There are checkpoints along the Marine Drive, and foreign visitors are routinely asked to show passports — carry them. Mobile signals can be patchy in the hills between Inani and Teknaf. Fuel is available at Cox's Bāzār and Teknaf but not reliably in between, so fill up before leaving. If you are travelling as a couple or family and want a comfortable base, I would book a hotel in Cox's Bāzār's Kolatoli or Sugandha area for the whole stay and treat Teknaf as a long half-day. Budget travellers can find basic rooms in Teknaf town, but the value is not there compared with Cox's Bāzār.
If you have a second day, use it for the stretch you skipped on the way down. Himchari's hilltop viewpoint and the Inani beach strip are worth a slower look, and both are far quieter on a weekday morning. November light is good for photography from about 3pm onwards. For anyone with three nights in Cox's Bāzār, I would give one full day to Teknaf and one to the Marine Drive beaches, and keep the remaining day for the main beach and the Burmese market area near the lighthouse. Avoid trying to combine Teknaf with a Saint Martin's boat in the same day — the schedules rarely cooperate and you will spend the whole time in transit.
Accommodation in Cox's Bāzār divides into three rough bands: simple guesthouses near the bus stand and lower beach road, mid-range hotels along Kolatoli and Sugandha with air conditioning and breakfast, and the larger resort-style properties further north toward Kalatali. For a November trip built around a Teknaf day trip, the mid-range Kolatoli cluster is the sensible pick — walkable to the beach, close to restaurants, and easy for an early departure south. Book ahead for weekends, when Dhaka visitors push occupancy up. Reserve your Cox's Bāzār hotel before you finalise the Teknaf day; that is the one booking that determines how the whole short break feels.
Carry cash. ATMs exist in Cox's Bāzār but are less reliable once you are south of Inani, and Teknaf's few cash machines are often empty. Bring drinking water and snacks for the drive. Dress modestly when walking through Teknaf town. Swimming near the Naf estuary is not advisable given currents and boat traffic; keep to the Cox's Bāzār beach for that. Finally, check the Bangladesh Meteorological Department outlook in the days before you travel — a late-season depression in the Bay can change the sea state quickly and make the Marine Drive drive less pleasant, though November storms are uncommon.
Skip the temptation to overnight in Teknaf unless you have a specific reason. The hotels are functional at best, dining options are limited to a handful of local restaurants, and the town quiets down early. Also skip the roadside souvenir stalls on the Marine Drive — prices are inflated and the same goods are cheaper in Cox's Bāzār's Burmese market. What I would book: three nights in a mid-range Kolatoli hotel, a private car with driver for the Teknaf day (around 6,000–9,000 taka is the usual range for a full-day hire, confirm in advance), and an early start.
Curated picks are coming — meanwhile, the live search covers every bookable property at the same price or better.