The strikers live in close proximity to one another and are maintaining high spirits despite the difficult circumstances.
Lukaku posted a video on his Instagram story of Martinez stood outside his apartment which is next to his.
Lautaro Martinez can just be made out as he stands waving to Romelu Lukaku on his balcony
The forwards are maintaining their bond off the pitch during the strict coronavirus lockdown
The Belgian can be heard shouting ‘Lauty!’ before his team-mate responds with an enthusiastic wave.
The pair have been in fine form for their club this season with 40 goals between them in all competitions this season.
Their efforts saw Inter climb to third in the Serie A table before football was suspended in the country at the start of March.
Martinez has been heavily linked with a move away from the San Siro with Barcelona his most likely destination at the end of the season.
Aside from greeting his team-mate on his balcony, Lukaku has been keeping himself entertained during the break from sport, taking on Real Madrid’s Thibaut Courtois in the simulated basketball game NBA 2K20.
Italy has been on lockdown since March 9 with the country reporting the second highest death toll in the world.
Inter Milan’s lethal strikeforce have 40 goals in all competitions between them this season