PROJECT PETRA by RMK Yachts is a next-generation 49.9m platform offered in three distinct editions.

CORE is the baseline configuration, preserving the original design intent through a streamlined, efficiency-led layout. AURA is a lifestyle-led reconfiguration, created to maximise onboard living and social experience.
INFINITE extends the PETRA platform into an exploration-led edition, enhancing technical capability, autonomy, and deck utility.

Built around a single refined naval architecture and engineering platform, PROJECT PETRA has been conceived to offer exceptional flexibility - allowing each owner to choose the edition that best reflects their intended use, from pure operational simplicity to elevated lifestyle living or extended expedition capability.

Highlights

• Designed as a platform with three distinct versions: AURA, CORE, and INFINITE
• Built as a true explorer yacht for long-range ocean travel
• Steel hull + aluminium superstructure for strength and durability
• Designed by Hot Lab with a bold, architectural exterior style
• Interior concept focused on natural materials and “quiet luxury” aesthetics
• Emphasis on flexibility and owner customisation across layouts
• Seamless indoor–outdoor flow via flush exterior salon and skylounge doors
• Full-height windows throughout
• Master cabin with private balcony
• Dedicated storage for toys, diving gear, and expedition equipment
• Enhanced expedition capability for remote cruising and operations
• Spacious exterior spaces
• Delivery 24 months from keel laying

AURA
AURA is a lifestyle-led reconfiguration, designed to maximise onboard living and social experience. With capacity for up to 14 guests, it prioritises leisure, wellness, and entertainment through a highly activated deck arrangement. It delivers the highest onboard density in the range while maintaining a refined, experience-focused flow between indoor and outdoor spaces.

Key features:

• Seventh guest cabin - sleeping 14 guests
• Gym onboard
• Fold-down bulwarks on main deck aft for expanded sea-level space 
• Maind deck aft functions as a convertible hosting/party area
• Main deck aft pool
• Diving / watersports equipment room
• Cinema / Gaming Room
• Tender capacity on MD Aft - 8,60m

CORE
CORE represents the baseline model of the PETRA design, preserving the original architectural and engineering intent without reallocation toward specialised functions. Designed for operational clarity, efficiency, and long-range reliability, it delivers a streamlined layout focused on performance, comfort, and simplicity.

Key features:

• Baseline configuration incl. Master Cabin Balcony, Full Height Windows & Flush Skylounge Doors
• Optimised service and circulation layout - no reconfiguration toward leisure or expedition systems
• Clean, efficiency-led architecture focused on standard operational range
• Tender capacity on MD Aft - 6,30m

INFINITE

INFINITE extends the PETRA platform into an exploration-led configuration, expanding technical capability, autonomy, and deck utility. Designed for extended range missions, it integrates expedition systems with elevated guest experience, combining performance, access, and adaptability.

Key features:

• Optional ice-class capability
• Helipad
• Additional folding master balcony
• Metallic hull colour
• Fold-down bulwarks on main deck aft for expanded sea-level space
• Main deck aft pool
• Diving / watersports equipment room
• Dedicated Battery Room to accommodate the hybrid system
• Tender capacity on MD Aft - 10,50m

Please note that PROJECT PETRA is offered in three seperate editions, each with its own corresponding price structure: 
CORE from 26,500,000 EUR, AURA from 27,500,000 EUR, and INFINITE from 29,500,000 EUR.