January — Cocos Island, Maldives, Red Sea
Cocos hammerhead season peaks; Maldives Central + Southern atolls offer manta & whale shark feeding aggregations on the east side. Red Sea is cool but quiet.
February — Socorro, Bahamas (tigers), Maldives
Socorro humpback whale season peaks. Tiger Beach in the Bahamas is at its best. Maldives southern atolls deliver manta nights.
March — Socorro, Galápagos, Bahamas
Last month for humpbacks in Socorro. Galápagos warm-water season ends — last chance for hammerhead schools at Wolf & Darwin in calm seas.
April — Maldives, Indonesia (Komodo north), Galápagos
Maldives manta season transitions east → west. Komodo north opens its main season. Galápagos starts cool-water phase.
May — Komodo, Raja Ampat (transition), Maldives
Komodo at its best — 28°C water, calm seas, mantas everywhere. Maldives mid-season, fewer crowds.
June–August — Indonesia, Galápagos, Solomon Islands
Komodo and Raja Ampat (north) peak; Galápagos enters hammerhead/whale shark high season; Solomon Islands manta & reef peak.
September — Galápagos, Egypt, Bahamas
Galápagos peak. Red Sea water at warmest (~28°C). Bahamas reef diving at its best before hurricane season ends.
October — Egypt, Maldives, Raja Ampat
Northern Red Sea at perfect 27°C. Maldives manta hotspots active. Raja Ampat transitions to its best months ahead.
November — Raja Ampat, Maldives, Cocos
Raja Ampat opens its peak season. Maldives pre-Christmas calm before high season pricing. Cocos hammerhead aggregations build.
December — Maldives, Cocos, Socorro
Maldives Christmas/NY high season — book early. Cocos peak. Socorro humpback season starts late month.
Frequently Asked Questions
Which month is the absolute best for liveaboard diving?
For variety: October. Red Sea, Maldives, Indonesia (Raja Ampat starting) and Galápagos all overlap with great conditions.
Where can I dive cheapest year-round?
Egyptian Red Sea — under $1,800 all-in including flights from Europe in shoulder months (March, May, November).
When should I book to get peak season?
9–14 months ahead for top destinations in peak (Galápagos August, Maldives Christmas, Socorro February). Last-minute deals exist outside these windows.
What's shoulder season worth it?
Yes — typically 20–35% cheaper, fewer crowds, often 90% of peak conditions. We mark shoulder pricing on every liveaboard page.
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