Standard trips run 6–8 nights. Short charters start at 3 nights; remote expedition trips run 10–14 nights.
The most common liveaboard itinerary is 7 nights, anchored on Saturday-to-Saturday or Sunday-to-Sunday turnarounds in the Maldives, Indonesia, Mexico and the Caribbean. The 7-night format works because it gives you 18–24 dives, two travel days, and fits a standard one-week vacation.
Short trips of 3–4 nights are popular in the northern Red Sea, where vessels run weekend mini-charters out of Hurghada to Ras Mohammed and the Tiran Strait. These are great for first-time liveaboard divers, photographers building portfolios, or experienced divers adding a quick top-up to a longer Egypt land trip. Some Caribbean operators also run 4-night long-weekend trips.
The 10-night format is the workhorse of expedition diving
Galápagos charters from San Cristóbal almost universally run 10 nights to give you Wolf, Darwin, and the central islands. Cocos Island and Malpelo trips from Costa Rica are 10–11 nights because the crossing alone takes 30+ hours each way. Socorro charters from Cabo San Lucas run 8–10 nights.
Long-haul expeditions to Antarctica, the Sub-Antarctic islands, and the Russian Far East run 14–21 nights and operate more like polar cruise ships than traditional liveaboards. These are once-in-a-lifetime trips priced accordingly.
The longer the trip, the better the value per dive day. A 10-night Galápagos trip is more expensive than a 7-night Maldives charter in absolute terms, but the per-day cost often works out lower because the operator amortizes fixed mobilization costs over more days. If you have the time, the longer trip is almost always the better value.
Always check the embarkation and disembarkation times
Most boats board late afternoon and disembark early morning, so your first and last days are partial — plan flights accordingly.
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