Makassar Reef (Manta Point)

Karang Makassar — widely known as the northern Manta Point — is one of Komodo National Park’s premier manta ray sites, a long sandy and rubble reef flat where reef mantas aggregate in large numbers, particularly on incoming tides that carry plankton-rich water from the Flores Sea.

Overview

Karang Makassar is a broad, shallow reef lying in the strait between Komodo and Rinca Islands. The site is exposed to strong tidal flows that sweep across a sandy and rubble bottom strewn with small coral formations between 5 and 15 meters depth. These currents are the engine that powers the site: they concentrate plankton, drawing mantas to feed with wide-open cephalic fins. Compared to southern Manta Point, this northern site can have stronger currents and larger manta aggregations, but is still accessible to beginners when conditions are cooperative. Multiple mantas on every dive is the norm during peak season.

Site Information

• Location: Komodo National Park, East Nusa Tenggara, Indonesia (Komodo–Rinca strait)
• Entry Type: Boat dive
• Site Type: Drift dive
• Difficulty Level: Beginner
• Maximum Depth: 18 meters
• Typical Visibility: 8–20 meters (can be reduced when currents carry plankton)
• Current: Light to strong; direction varies with tide
• Best Time: February to November; largest aggregations during February to April

Marine Life

Reef mantas (Mobula alfredi) are the main draw, with aggregations of 10 or more individuals common during peak feeding periods. Mantas here are frequently seen barrel-rolling at the surface or flying low in formation across the sandy flats, mouths agape to filter plankton. Occasionally oceanic mantas (Mobula birostris) also pass through. Blue-spotted ribbontail rays rest on the sandy bottom. Whitetip reef sharks cruise the reef edges. The small coral formations host clownfish, butterflyfish, and various reef species, but the mantas are the overwhelming focus.

Dive Profile

Descend from the boat and position on the sandy bottom or hover just above it at 8–12 meters. The guide will read the current and position the group in the path of the manta feeding lanes. Expect to drift slowly with the current while mantas sweep overhead and around you. Keep your group compact and avoid chasing individual animals — the mantas will come to you if you remain calm. End the dive in the shallows for your safety stop with minimal current.

Entry and Exit

Access by liveaboard or day boat from Labuan Bajo. Entry by giant stride; the boat follows the group’s drift. Deploy your SMB for the safety stop and surface pickup. The exposed location can mean some chop on the surface, so a prompt exit onto the ladder is advised.

Tips and Recommendations

• Approach slowly and stay low — aggressive finning near the surface will scatter feeding mantas
• The plankton-rich water that brings mantas often reduces visibility to 8–10 meters — set your camera exposure accordingly
• Tide timing is crucial; consult the guide about when mantas have been most active
• Combine with Castle Rock or Crystal Rock for a full pelagic day in northern Komodo
• Bring a 3–5mm wetsuit; upwellings can push water temperatures down to 22°C

Safety Considerations

Currents can accelerate quickly at Karang Makassar as the tide shifts. Stay close to the guide and follow hand signals immediately. Avoid being swept into areas with boat traffic. In strong current, stay low to the bottom where flow is reduced. Always carry a deployed-ready SMB for the safety stop.

Photography

Feeding mantas with open cephalic fins are the primary subject. Shoot from below or slightly to the side to capture the full wingspan — a 10–17mm fisheye on a wide dome gives jaw-dropping perspective. When mantas are dense, simply point upward at the surface silhouettes. The reduced visibility from plankton can add atmosphere to wide-angle shots.

Sources: Blue Marlin Dive – Komodo Dive Sites, Dragon Dive Komodo – Manta Point, PADI – Manta Point Komodo. Last updated 2026-06-10.